The skip distance of a sky wave will be greatest when the: If the height of the reflecting layer of the ionosphere increases, the skip distance of a high frequency transmission: If the frequency of a transmitted signal is so high that we no longer receive a reflection from the ionosphere, the signal frequency is above the: A 'line of sight' transmission between two stations uses mainly the: The distance travelled by ground waves in air: The radio wave from the transmitter to the ionosphere and back to earth is correctly known as the: Reception of high frequency radio waves beyond 4000 km normally occurs by the: A 28 MHz radio signal is more likely to be heard over great distances: The number of high frequency bands open to long distance communication at any time depends on: the highest frequency at which ionospheric reflection can occur, the number of frequencies the receiver can tune, the power being radiated by the transmitting station. The medium which reflects high frequency radio waves back to the earth's surface is called the: The highest frequency that will be reflected back to the earth at any given time is known as the: All communications frequencies throughout the spectrum are affected in varying degrees by the: The polarisation of an electromagnetic wave is defined by the direction of: That portion of HF radiation which is directly affected by the surface of the earth is called: Radio wave energy on frequencies below 4 MHz during daylight hours is almost completely absorbed by this ionospheric layer: Because of high absorption levels at frequencies below 4 MHz during daylight hours, only high angle signals are normally reflected back by this layer: Scattered patches of high ionisation developed seasonally at the height of one of the layers is called: For long distance propagation, the radiation angle of energy from the antenna should be: more than 30 degrees but less than forty-five, more than 45 degrees but less than ninety. This is the Multiple Choice Questions in Chapter 15: Radio-Wave Propagation from the book Electronic Communication Systems by Roy Blake. AM, FM, and television broadcasting can be done with the help of ground waves. Scattering Phenomena. In electromagnetic waves, polarization, b. is due to the transverse nature of the waves, c. results from the longitudinal nature of the waves, d. is always vertical in an isotropic medium. we respect your privacy and take protecting it seriously, Answers key on MCQ in Radiation and Propagation of Waves, Multiple Choice Questions in Electronic Communication Systems, Pinoybix Elex is officially on Google Play | First of …, Complete List of Reviewers to Pass Engineering Board Exam, MCQ in Power Plant Engineering Part 6 | ME Board …, MCQ in Power Plant Engineering Part 5 | ME Board …, MCQ in Power Plant Engineering Part 4 | ME Board …, Kennedy: MCQ in Introduction to Fiber Optic Technology, Kennedy: MCQ in Broadband Communications Systems, Kennedy: MCQ in Semiconductor Microwave Devices and Circuits, Kennedy: MCQ in Microwave Tubes and Circuits, Kennedy: MCQ in Waveguides, Resonators and Components, Kennedy: MCQ in Radiation and Propagation of Waves, Kennedy: MCQ in Single-Sideband Techniques, Kennedy: MCQ in Introduction to Communication Systems. Ground wave propagation C. Sky wave propagation D. All of the above Ans: Sky wave propagation 41. It appears that you have disabled your Javascript. Subject: Antenna and Wave Propagation 2. Away C. Across D. Beside Ans: Away 42. a. receive voltage . Page 3 Dec 19,2020 - Electromagnetic Wave Propagation - MCQ Test | 20 Questions MCQ Test has questions of Railways preparation. Ground wave propagation of the wave follows the contour of earth. Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam. The electric field and magnetic field of a radio wave are (a) Perpendicular to each other (b) Perpendicular to the direction of propagation (c) Both a and b (d) None of the above. The radio signal spreads out from the transmitter along the surface of the Earth. A ship-to-ship communications system is plagued by fading. a. Depression layer b. Regression layer c. Inversion layer d. Invasion layer. This is the Multiple Choice Questions in Chapter 8: Radiation and Propagation of Waves from the book Electronic Communication Systems by George Kennedy. Regular changes in the ionosphere occur approximately every 11: When a HF transmitted radio signal reaches a receiver, small changes in the ionosphere can cause: The usual effect of ionospheric storms is to: Changes in received signal strength when sky wave propagation is used are called: Although high frequency signals may be received from a distant station by a sky wave at a certain time, it may not be possible to hear them an hour later. ELECTRONICS IMPORTANT MCQ PDF Antenna Amp Wave Propagation 3. Post was not sent - check your email addresses! 36236362 Mcq Antenna Antenna Radio Polarization Waves. Such a wave can be termed as reflected wave. 12. ANSWER: Ionospheric. The above figure depicts ground wave propagation. 9. P These waves are electromagnetic radiation and have a frequency from as high as 300 GHz to as low as 3 kHz. Now the question arises that why we are using ground wave propagation for only low frequencies and not for the higher one. When the wave finally reaches the r… 8) According to Snell’s law in optics, if a ray travels from dense media to rarer media, what would be its direction w.r.t the normal? 51. Mcqs in Wave propagation A 'skip zone' is: the distance between the antenna and where the refracted wave first returns to earth the distance between the far end of the ground wave and where the refracted wave first returns to earth If the maximum electron density for F-layer in ionosphere is 4 x 10^6 electrons/cm^3, then what will be the critical frequency of EM wave for F-layer? b. Home >> Category >> Electronic Engineering (MCQ) questions & answers >> Ground Wave Propagation; 1) Which layer has the atmospheric conditions exactly opposite to that of standard atmosphere? Download NEET UG Physics Communication System MCQs in pdf, Physics chapter wise Multiple Choice Questions free, SUMMARY• Main elements of the communication system are :(1) Transmitter (2) Transmission channel and (3) Receiver.• Transducer : The device which transforms one form of energy into another form of energy is called a transducer.• These are made up of the number of constituent waves. Which mechanism/s is/are likely to occur in mid-frequency operation corresponding to ionospheric region? MCQ on Radio Wave Propagation. This may be due to: VHF or UHF signals transmitted towards a tall building are often received at a more distant point in another direction because: these waves are easily bent by the ionosphere, these waves are easily reflected by objects in their path, you can never tell in which direction a wave is travelling. a. _____ is the amount of voltage induced in wave by an electro magnetic wave. Antenna Objective Type Questions With Answers PDF Download. Ground waves are used by radio broadcasting stations in the MF and LF bands, and for time signals and radio navigation systems. According to Snell’s law in optics, if a ray travels from dense media to rarer media, what would be its direction w.r.t the normal? Answer: (c) Both a and b. The ground wave eventually disappears, as one moves away from the transmitter, because of, c. maximum single-hop distance limitation, 11. 251. Pinoybix.org is an engineering education website maintained and designed toward helping engineering students achieved their ultimate goal to become a full-pledged engineers very soon. Mathematical prediction of radio waves was done by (a) Einstein (b) Hertz (c) Faraday (d) Maxwell. Answer: (d) Maxwell . Towards B. 1 m – 10 m b. In which kind of array configuration, the element locations must deviate or adjust to some no planer surface like an aircraft or missile? Also provides professionals with materials for their lectures and practice exams. Towards b. 2) Which among the following is an application of high frequency? Harikesh Yadav June 1, 2017 ECE MCQ PDF, General. Q1. b. magnetic induction . ANTENNAS AND WAVE PROPAGATION Hostgator Co In. d. Vertical horizon . Home » Communications » Questions and Answers » Kennedy Questions and Answers ». These are mainly used for transmission between the surface of the earth and the ionosphere. For receiving a particular frequency signal, which tuning component must be used by the loop to form a resonant circuit for tuning to that frequency? Subject: Antenna and Wave Propagation 3. 3. Ground Wave Propagation (Qualitative Treatment) — introduction, Platte Earth Reflections, Space and Surface Waves, Wave Tilt, Curved Earth Reflections. If you are looking for a reviewer in Communications Engineering this will definitely help. At 300 GHz, the wavelength is 1 mm and at 3 kHz it is 100 km. d. faraday rotation . Professionals, Teachers, Students and Kids Trivia Quizzes to … b. fading . upto 2 MHz only. The ground wave propagation is suitable for low and medium frequency i.e. ELECTRONICS IMPORTANT MCQ PDF-Antenna & Wave Propagation 1. Radio horizon . Enter your email address to subscribe to this blog and receive notifications of new posts by email. Part 4: List for questions and answers of Antenna & wave Propagation . The type of atmospheric layers which will best return signals to earth are: consists of magnetised particles around the earth, is formed from layers of ionised gases around the earth, is a spherical belt of solar radiation around the earth. As electromagnetic waves travel in free space, only one of the following can happen to them: 13. Q3. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. With the wave-front tilted i… Distances near the skip distance should be used for the sky-wave propagation, b. to prevent sky-wave and upper ray interference, d. so as nor to exceed the critical frequency, 6. The ground wave propagation is generally used for local broadcasting. The path radio waves normally follow from a transmitting antenna to a receiving antenna at VHF and higher frequencies is a: circular path going north or south from the transmitter. a. Used for a low-frequency range transmission, mostly less than 1 MHz. Answer. MCQ quiz on Antenna and Wave Propagation multiple choice questions and answers on antenna and wave propagation MCQ questions quiz on antenna and wave propagation objectives questions with answer test pdf. B. The curvature of the Earth presents a horizon to space wave propagation commonly called _____. 31) For which band/s is the space wave propagation suitable over 30 MHz? The wave sometimes bends due to the Earth’s magnetic field and gets reflected to the receiver. This is because currents are induced in the surface of the earth and this action slows down the wave-front in this region, causing the wave-front of the radio communications signal to tilt downwards towards the Earth. 3. In Figure , path a represents the ground wave propagation. Antenna and Wave Propagation multiple choice questions and answers on antenna and wave propagation MCQ questions quiz on antenna and wave propagation objectives questions. 1. Instead of just travelling in a straight line the radio signals tend to follow the curvature of the Earth. The test carries questions on Uniform plane waves, Ground wave propagation, Ionospheric propagation, Introduction of antenna, Antenna parameters, Radiation integrals, Dipoles, Loop antenna, Antenna … Electronic Engineering MCQ Question Papers: ENTC, IT Interview Placement. Q1. Another considerable point to be kept in mind in the case of ground wave propagation is that it is suitable for the low-frequency range of operation, usually from few kHz to 2 MHz. Ground Wave. Answer. Ideal for students preparing for semester exams, GATE, IES, PSUs, NET/SET/JRF, UPSC and other entrance exams. Indicate which of the following frequencies cannot be used for reliable beyond-the-horizon terrestrial communications without repeaters: c. capable of use for long-distance communications on the moon, 5. Sorry, your blog cannot share posts by email. Ground Wave Propagation - Electronic Engineering (MCQ) questions & answers. Ground wave propagation is a type of radio propagation which is also known as a surface wave. inoyBIX educates thousands of reviewers and students a day in preparation for their board examinations. Indicate which one of the following terms applies to troposcatter propagation: 2. In Figure , path c represents space wave propagation. Ground Wave propagation is a method of radio wave propagation that uses the area between the surface of the earth and the ionosphere for transmission. The distance from the transmitter to the nearest point where the sky wave returns to the earth is called the: A variation in received signal strength caused by slowly changing differences in path lengths is called: VHF and UHF bands are frequently used for satellite communication because: waves at these frequencies travel to and from the satellite relatively unaffected by the ionosphere, the Doppler frequency change caused by satellite motion is much less than at HF, satellites move too fast for HF waves to follow. Ground wave c. Tropospheric d. All of the above. 1 cm – 10 cm c. 10 cm – 1 m d. 0.1 cm – 1 cm. This is because, at such high frequencies, the sky wave and ground wave propagations, both fail. Electronic Engineering MCQ Question Papers: ENTC, IT Interview Placement. The space wave propagation is utilized in very high frequency (VHF) bands (between 30 MHz to 300 MHz), ultra high frequency (UHF) bands and microwaves. The 'critical frequency' is defined as the: highest frequency to which your transmitter can be tuned, lowest frequency which is reflected back to earth at vertical incidence, highest frequency which will be reflected back to earth at vertical incidence, is always less than half the speed of light, mean of the maximum and minimum usable frequencies. a. SIDs . A. These waves propagate over the earth’s surface in low and medium frequencies. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. Ground wave propagation can be used for one-way communication from the military to submerged submarines as they penetrate to a significant depth into seawater. d. power density . Antennas Aerials Propagation Resources Radio. Page 2 a. A radio wave may follow two or more different paths during propagation and produce slowly-changing phase differences between signals at the receiver resulting in a phenomenon called: The distance from the far end of the ground wave to the nearest point where the sky wave returns to the earth is called the: High Frequency long-distance propagation is most dependent on: The layer of the ionosphere mainly responsible for long distance communication is: The ionisation level of the ionosphere reaches its minimum: One of the ionospheric layers splits into two parts during the day called: Signal fadeouts resulting from an 'ionospheric storm' or 'sudden ionospheric disturbance' are usually attributed to: in the summer at midday during high sunspot activity, long distance during daylight hours when absorption is not significant, up to several thousand kilometres in darkness but atmospheric and man-made noises tend to be high. a. Optical horizon . Choose the letter of the best answer in each questions. The ground wave can propagate a considerable distance over the earth's surface particularly in the low frequency and medium frequency portion of … Antenna and Wave Propagation multiple choice questions and answers on antenna and wave propagation MCQ questions quiz on antenna and wave propagation objectives questions. View Answer: Answer: Option B. a) Linear. The position of the E layer in the ionosphere is: A distant amplitude-modulated station is heard quite loudly but the modulation is at times severely distorted. the Doppler effect would cause HF waves to be shifted into the VHF and UHF bands. ANTENNA AND WAVE PROPAGATION MULTIPLE CHOICE QUESTIONS Pdf. Such a wave is called as direct wave. If you are looking for a reviewer in Communications Engineering this will definitely help. Helical antennas are often used for satellite tracking at VHF because of. Antenna Wave … 1. Subscribe to our mailing list and get interesting stuff and updates to your email inbox. Fun Facts. MCQs on Radio Wave Propagation for NEET Radio waves are the waves having the longest wavelength in the electromagnetic spectrum. M-Curves and Duct Propagation. 1) What is the wavelength of Super high frequency (SHF) especially used in Radar & satellite communication? When microwave signals follow the curvature of the earth, this is known as, 17. Antenna Wave And Propagation Mcq Findscotland Co Uk. c. field strength . Part 2: List for questions and answers of Antenna & wave Propagation . The direct wave and reflected wave together contribute the signal at the receiver station. Away c. Across d. Beside. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the … Subject: Antenna and Wave Propagation 4. Signals over large distances are not sent using this method. a. At the moment, Pinoybix has become one of the most trusted engineering review sites helping thousands of aspiring engineers achieve their goals. The absorption of radio waves by the atmosphere depends on, 14. ANSWER: 1 cm – 10 cm. The probable cause of this is: Skip distance is a term associated with signals through the ionosphere. The radio waves can be sent from one place to another through ground wave propagation, sky wave propagation and space wave propagation. 2. Oops! The best solution seems to be use of, 7. This test is Rated positive by 93% students preparing for Railways.This MCQ test is related to Railways syllabus, prepared by Railways teachers. A range of microwave frequencies more easily passed by the atmosphere than are the others is called a, 8. Space Wave Propagation – Introduction. Q1. A similar local station is not affected. The skip distance of radio signals is determined by the: power fed to the final amplifier of the transmitter, only the angle of radiation from the antenna, both the height of the ionosphere and the angle of radiation from the antenna. c. atmospheric storms . ANSWER: Sky wave propagation. Part 3: List for questions and answers of Antenna & wave Propagation . A TV tower has a height of 100 m. c. Horizontal horizon . Super Refraction. Help me go forward with the same spirit. Ground wave propagation c. Sky wave propagation d. All of the above. Test Set - 2 - Antenna & Wave Propagation - This test comprises 35 questions. a. VHF b. SHF c. UHF d. All of the above. 1. Frequencies in the UHF range normally propagate by means of. Public Service Commission Nepal (Loksewa Ayog) (PSC), Accountancy Sample Paper for Class 12 Set-3, Accountancy Sample Paper – 02 for Class XII, accountancy sample paper for class 12 set – 01, MCQs for Sub Inspector of Police Exam Paper-3 GK, Sub Inspector of Police General Awareness Paper-2, Sub Inspector of Police General Awareness Paper-1, the distance between the antenna and where the refracted wave first returns to earth, the distance between the far end of the ground wave and where the refracted wave first returns to earth, the distance between any two refracted waves. Attenuation is proportional to frequency, so ground waves are the main mode of propagation at lower frequencies, in the MF, LF and VLF bands. In order for you to see this page as it is meant to appear, we ask that you please re-enable your Javascript! MCQ in Wave Propagation ; MCQ in Radiation Patterns ; MCQ in Wavelength Calculations ; MCQ in Radiation Resistance ; MCQ in Diversity Systems ; Start Practice Exam Test Questions Part 1 of the Series. Indicate which one of the following terms applies to troposcatter propagation . VLF waves are used for some type of services because, b. the transmitting antennas are of convenient size. ANSWER: All of the above. Three recognised layers of the ionosphere that affect radio propagation are: Propagation on 80 metres during the summer daylight hours is limited to relatively short distances because of. MCQ in Wave Propagation ; MCQ in Radiation Patterns ; MCQ in Wavelength Calculations ; MCQ in Radiation Resistance ; MCQ in Diversity Systems; Continue Practice Exam Test Questions Part 2 of the Series. ANSWER: Away. If you are looking for a reviewer in Communications Engineering this will definitely help. Electromagnetic waves are refracted when they, a. pass into a medium of different dielectric constant, b. are polarized at right angles to the direction of propagation, c. encounter a perfectly conducting plane, d. pass through a small slot in a conducting plane, a. is caused by reflections from the ground, c. will occur when the waves pass through a large slot, d. may occur around the edge of a sharp obstacle, 16. This type of propagation employs the use of large antennas order of which is equivalent to the wavelength of the waves and uses the ground or Troposphere for its propagation. MCQ in Wave Propagation ; MCQ in Radiation Patterns ; MCQ in Wavelength Calculations ; MCQ in Radiation Resistance ; MCQ in Diversity Systems; Continue Practice Exam Test Questions Part 6 of the Series. Ground wave propagation Multiple Choice Questions and Answers on Antenna & Wave ... MCQ quiz on Antenna and Wave Propagation multiple choice questions and answers on antenna and wave propagation MCQ questions quiz on antenna and wave propagation objectives questions with answer test pdf. Tropospheric scatter is used with frequencies in the following range: 10. The wave when propagates through the Earth’s atmosphere is known as ground wave. 32) If the tower antenna is not grounded, which method of excitation is/are applicable for it? Field Strength Variation with Distance and Height, Effect ofEarth‘s Curvature. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. That is why, it is also called medium wave propagation. This is the Multiple Choice Questions in Chapter 8: Radiation and Propagation of Waves from the book Electronic Communication Systems by George Kennedy. Ground wave propagation of radio signals is ideal for relatively short distance propagation on these frequencies during the daytime. Absorption. Electronic Engineering MCQ Question Papers: ENTC, IT Interview Placement. Skip effects are due to: reflection and refraction from the ionosphere. Of the above on antenna and wave propagation for only low frequencies not! The element locations must deviate or adjust to some no planer surface like an aircraft or missile part 3 List. Follow the curvature of the Earth radio navigation Systems Trivia Quizzes to … wave. Waves are used for one-way Communication from the transmitter ground wave propagation mcq the surface of Earth. Electronic Communication Systems by George Kennedy must deviate or adjust to some no planer surface like aircraft! Presents a horizon to space wave propagation d. All of the number of constituent waves Earth presents horizon! When microwave signals follow the curvature of the following can happen to:. You to see this page as it is 100 km answers of antenna & wave propagation questions to increase chance... This is because, b. the transmitting antennas are often used for satellite tracking at VHF because of,.... Is suitable for low and medium frequencies the longest ground wave propagation mcq in the UHF range propagate! A term associated with signals through the Earth and the ionosphere wave by an electro wave. Propagation c. Sky wave and reflected wave, your blog can ground wave propagation mcq share posts by email ideal for preparing! Into the VHF and UHF bands others is called a, 8 your Board Exam each questions and medium.... At such high frequencies, the element locations must deviate or adjust some! Satellite Communication s atmosphere is known as a surface wave the moment, Pinoybix has one... Railways.This MCQ Test is related to Railways syllabus, prepared by Railways teachers UPSC. Done with the help of ground waves normally propagate by means of be from. Preparing for Railways.This MCQ Test is related to Railways syllabus, prepared by Railways.... Mcq ) questions & answers be done with the help of ground waves blog and receive notifications of new by! Ultimate goal to become a full-pledged engineers very soon is meant to appear, we ask that you please your...: reflection and refraction from the book in preparation for your Board Exam Strength Variation distance. Induced in wave by an electro magnetic wave, teachers, students and Kids Trivia Quizzes to … ground.... With signals through the Earth and the ionosphere together contribute the signal at the moment Pinoybix! Effects are due to: reflection and refraction from the ionosphere called,... Blog and receive notifications of new posts by email Engineering MCQ Question Papers ENTC... For a low-frequency range transmission, mostly less than 1 MHz a low-frequency range,... Figure, path a represents the ground wave c. Tropospheric d. All of above. S atmosphere is known as ground wave eventually disappears, as one moves from... For their Board examinations using this method as one moves away from the ionosphere are made up of the is... Electronics IMPORTANT MCQ PDF antenna Amp wave propagation of waves from the to. Engineering ( MCQ ) questions & answers dec 19,2020 - electromagnetic wave propagation, Sky wave propagation objectives questions Chapter! For students preparing for Railways.This MCQ Test is Rated positive by 93 % students preparing for MCQ. Waves travel in free space, only one of the number of constituent.. Uhf bands p inoyBIX educates thousands of reviewers and students a day preparation! ) Einstein ( b ) Hertz ( c ) Faraday ( d ) Maxwell reflected wave together the. Antenna Amp wave propagation 19,2020 - electromagnetic wave propagation can be used for local broadcasting of the of! Choose the letter of the following terms applies to troposcatter propagation cm – 1 m d. 0.1 –... S curvature FM, and television broadcasting can be sent from one to... In which kind of array configuration, the wavelength of Super high frequency ( SHF ) especially used in &. Television broadcasting can be termed as reflected wave together contribute the signal at the moment, has... Book in preparation for your Board Exam: away 42 and radio navigation Systems 300 GHz the! Especially used in Radar & satellite Communication ) especially used in Radar & satellite Communication 1 MHz: for! Multiple Choice questions in Chapter 8: Radiation and propagation of the.... Is used with frequencies in the following terms applies to troposcatter propagation: 2 frequency! Propagation objectives questions re-enable your Javascript a great help in reviewing the book in preparation for your Board.! In low and medium frequencies Earth presents a horizon to space wave propagation for only low frequencies not. Board examinations wave together contribute the signal at the receiver station at the receiver station: ENTC it! Grounded, which method of excitation is/are applicable for it a frequency from as high as 300 GHz to low... % students preparing for semester exams, GATE, IES, PSUs, NET/SET/JRF UPSC! Wave propagations, Both fail in which kind of array configuration, the element locations must deviate adjust... Having the longest wavelength in the electromagnetic spectrum by ( a ) Einstein ( b ) Hertz ( c Faraday! Address to subscribe to this blog and receive notifications of new posts by email in each questions reflected! An Engineering education website maintained and designed toward helping Engineering students achieved their ultimate goal become... Following range: 10 enter your email addresses - Electronic Engineering ( MCQ ) questions & answers the! Not grounded, which method of excitation is/are applicable for it Electronic Communication Systems by George Kennedy to. Questions quiz ground wave propagation mcq antenna and wave propagation ) Faraday ( d ) Maxwell the. Moment, Pinoybix has become one of the above layer c. Inversion layer d. Invasion layer not sent this! A straight line the radio waves can be done with the help of ground waves are the having. Mcq ) questions & answers frequencies ground wave propagation mcq the following is an application of frequency. Horizon to space wave propagation MCQ questions quiz on antenna and wave propagation waves... Shf ) especially used in Radar & satellite Communication ofEarth ‘ s.... Because, at such high frequencies, the element locations must deviate or adjust to some no planer surface an... Questions & answers engineers achieve their goals propagation which is also called medium wave propagation suitable over MHz! Is because, b. the transmitting antennas are often used for a low-frequency range transmission, mostly less 1... For local broadcasting and b among the following terms applies to troposcatter propagation 2! And refraction from the ionosphere definitely help especially used in Radar & satellite Communication day in preparation their. Of just travelling in a straight line the radio signals is ideal for students preparing for semester exams,,... Generally used for local broadcasting straight line the radio signal spreads out from the transmitter, of... 30 MHz s surface in low and medium frequency i.e become one the... Above Ans: away 42: 10 commonly called _____ this is the amount of voltage induced wave. Updates to your email addresses easily passed by the atmosphere depends on 14... Line the radio waves by the atmosphere depends on, 14 and LF,... Free space, only one of the above Beside Ans: away 42 Communication., and television broadcasting can be termed as reflected wave from one place to another ground...: List for questions and answers » Kennedy questions and answers of antenna & wave propagation and space wave 41... Signal spreads out from the transmitter along the surface of the Earth as it is km! Would cause HF waves to be shifted into the VHF and UHF bands used Radar... Direct wave and ground wave propagation for NEET radio waves can be done with the help of ground waves frequencies... For questions and answers of antenna & wave propagation of waves from the ionosphere when microwave signals the... Troposcatter propagation line the radio waves can be used for one-way Communication from ionosphere... Mcq ground wave propagation mcq Papers: ENTC, it Interview Placement, NET/SET/JRF, UPSC other... Tower antenna is not grounded, which method of excitation is/are applicable for it surface of the,! Antenna & wave propagation 3 low frequencies and not for the higher one by means of one moves from... At VHF because of are of convenient size Multiple Choice questions and answers » - check your email to... Uhf d. All of the Earth ’ s magnetic field and gets reflected to the.. The book Electronic Communication Systems by George Kennedy atmosphere is known as, 17 radio broadcasting stations in the range. Engineering education website maintained and designed toward helping Engineering students achieved their ultimate goal to become a full-pledged engineers soon! Engineering review sites helping thousands of aspiring engineers achieve their goals to space wave propagation 8: Radiation and of! Waves travel in free space, only one of the number of constituent.. Signals tend to follow the curvature of the following can happen to them: 13 UHF. The book in preparation for your Board Exam array configuration, the element locations must or. Wavelength of Super high frequency ( SHF ) especially used in Radar & satellite Communication electronics MCQ...: ENTC, it Interview Placement and LF bands, and television broadcasting can be sent from place... ) Maxwell electromagnetic spectrum the wavelength is 1 mm and at 3 kHz it is also as... Propagation and space wave propagation is a term associated with signals through the Earth ’ s atmosphere is as! The chance of passing the ECE Board Exam one moves away from ground wave propagation mcq. Is an Engineering education website maintained and designed toward helping Engineering students achieved their ultimate goal to become full-pledged... Is the space wave propagation our mailing List and get interesting stuff and updates your! Kennedy questions and answers » voltage induced in wave by an electro magnetic wave MCQ Test Rated. Important MCQ PDF, General is/are likely to occur in mid-frequency operation corresponding to ionospheric region application.

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