Question

In Fig. 36.35, a microwave transmitter at height a above the water level of a wide lake transmits microwaves of wavelength λ toward a receiver on the opposite shore, a distance x above the water level.The microwaves reflecting from the water interfere with the microwaves arriving directly from the transmitter·Assuming that D>>a and x, and that λ>a, at what values of of x is the signal at the receiver maximum

Answer 1

Given diagvam 2 coher only elecled dake

kau dauge )-.pt(a-1) ' _ 禸 o».mqarmam patt, desterene: ηλ