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A radar has a power of 1kW and is operat...

A radar has a power of `1kW` and is operating at a frequency of `10 GHz`. It is located on a mountain top of height `500m`. The maximum distance upto which it can detect object located on the surface of the earth (Radius of earth `6.4xx10^(6)m`) is

A

40 km

B

64 km

C

80 km

D

16 km

Text Solution

Verified by Experts

The correct Answer is:
C
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