r/2 2/2 S nl n2

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answerhappygod
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r/2 2/2 S nl n2

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R 2 2 2 S Nl N2 1
R 2 2 2 S Nl N2 1 (12.66 KiB) Viewed 44 times
a source emitting electromagnetic waves and a receiver of height h=20m are separated by a distance x=80m. The transmitter can receive electromagnetic waves directly from the source or it can receive waves reflected from the ground (see figure). It must assume a hypothetical situation where n1>n2 Determine the following:
a) the lowest frequency of waves that can destructively interfere
b) the lowest frequency of waves that can constructively interfere
r/2 2/2 S nl n2
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