41. A square corner reflector is used in A. Radio astronomy B. Tv broadcast C. Point to point communication D. All of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
42. In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include A. Antenna replacement and feed correction B. Amplitude timing and phase correction C. Polarization shifting and code diversity D. Path diversity and frequency diversity Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
43. The power gain of a half-wave dipole with respect to an isotropic radiator is A. 2.15 db B. 3 db C. 4.15 db D. 6 db Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
44. MUF is highest in periods of greatest sunspot activity. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
45. The attenuation in waveguide above to cut off frequency A. Very high B. Very low C. Zero D. Infinite Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
