AIEEE 2012 Solved Paper

Section: Physics

Question : 54 of 89

Marks: +1, -0

A radar has a power of 1‌kW and is operating at a frequency of 10‌GHz. 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 =6.4×106m ) is :

[AIEEE 2012]

80 km
16 km
40 km
64 km

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