300+ TOP MCQs on Radio Wave Propagation and Answers

NEET  Physics is the very imporatant paper in the Medical Entrance EXAM. Here, you will discover the NEET Physics MCQs with Answers for all Concepts as per the new syllabus. Practice more on a regular basis with these NEET Physics objective questions on air pollution . NEET Physics Radio Wave Propagation Multiple Choice Questions

MCQs on Radio Wave Propagation :

1. Mathematical prediction of radio waves was done by
(A) Einstein
(B) Hertz
(C) Faraday
(D) Maxwell

Answer

Answer: (D) Maxwell

2. 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

Answer

Answer: (C) Both a and b

3. The speed of radio wave in free space is
(A) 3 x 10⁶ metres/second
(B) 3 x 10⁸ metres/second
(C) 3 x 10⁶ miles/second
(D) 3 x 10⁸ miles/second

Answer

Answer: (B) 3 x 10⁸ metres/second

4. Radio waves would strongly reflect off
(A) A flat insulating surface of the right size
(B) A flat metallic surface of the right size
(C) A flat dielectric surface of the right size
(D) A flat body of water

Answer

Answer: (B) A flat metallic surface of the right size

5. Radio waves sometimes bend around the corners due to
(A) Reflection
(B) Diffusion
(C) Refraction
(D) Diffraction

Answer

Answer: (D) Diffraction

6. Which of the following is the phenomenon caused when Radio waves travel in two or more paths during propagation and produce slowly-changing phase differences between signals?
(A) Absorption
(B) Fading
(C) Baffling
(D) skip

Answer

Answer: (B) fading

7. High-frequency long-distance propagation mostly depends on
(A) Ionospheric reflection
(B) Tropospheric reflection
(C) Ground reflection
(D) Inverted reflection

Answer

Answer: (A) Ionospheric reflection

8. What is the distance from the far end of the ground wave to the nearest point where the sky wave returns to earth called?
(A) Angle of radiation
(B) maximum usable frequency
(C) Skip distance
(D) Skip zone

Answer

Answer: (D) Skip zone

9. Which of the following are electromagnetic
(A) Radio waves
(B) Light
(C) Gamma waves
(D) All the above

Answer

Answer: (D) All the above

10. The radio waves were demonstrated experimentally by
(A) Hertz
(B) Maxwell
(C) Marconi
(D) Armstrong

Answer

Answer: (A) Hertz