Which of the following phenomena is possible is free space medium? A. Reflection of radio wave B. Diffraction of radio wave C. Refraction of radio wave D. Attenuation of radio wave

Which of the following phenomena is possible is free space medium?
A. Reflection of radio wave
B. Diffraction of radio wave
C. Refraction of radio wave
D. Attenuation of radio wave
by

1 Answer

Answer :

D. Attenuation of radio wave
by

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