The time interval between transmission and reception of a signal at radar station is 30 µs. What is the
distance of the intercepting plane from the station? (Take speed of radio waves is 3 x108 m/s)
[The word "radar" stands for radio detection and ranging]
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Answer:
we know distance= velocity×time
but transmission and reception needs 2×distance covered
2S=U×T
S=(3×10^8 ×30×10^-6) /2
S=450 m
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