Question

A radar signal is received 2×10 power -5 sec. After it was sent and reflected by an aeroplane. How far is the aeroplane if speed of waves is 3×10 power 8 m/s?​

Answer 1

Answer: 3×10^3 m

Explanation:

Given: V = 3×10^8 m

t = 2×10^(-5)

Now, as we know

d = v×t/2

d = 3×10^8×2×10^-5/2

d = 3×10^3

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