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MHT CET Physics question

PhysicsWavesMHT CET

An RADAR sends the pulse of waves of frequency 10 MHz towards aeroplane. An echo are captured after time 0.1 msec. What will be the distance between aeroplane and RADAR? ()

Answer: (D)

Solution

The pulse covers the distance twice, so \frac{ct}{2}\frac{3×10^8× 10^{-4}}{2}10^{4}$\

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Question ID VK-070013