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The frequency of a radar is 780 MHz. Aft...

The frequency of a radar is 780 MHz. After getting reflected from an approaching aeroplane, the apparent frequency is more than the actual frequency by 2.6 kHz. The aeroplane has a speed of

A

0.25 km/s

B

0.5 km/s

C

1.0 km/s

D

2.0 km/s

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The correct Answer is:
B
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