1.

Rain drop attenuation in most microwave communication links is caused due to:

A. Scattering of microwaves by water drops of specific size
B. Scattering of microwaves by a collection of droplets acting as a single body
C. Absorption of microwave by water and consequent heating of the liquid
D. Absorption of microwaves by water-vapour in the atmosphere
Answer» E.


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