Physics - Wave on String Question with Solution | TestHub

PhysicsWave on StringWavesMedium2 minQB

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Radar waves of frequency 3 GHz reflected from an aircraft return with a frequency higher by 20 kHz. The aircraft is:

Answer:

Solution:

Higher frequency means approach. $v = \frac{c Δ f}{2 f} = \frac{3 \times 1 0 ^{8} \times 2 \times 1 0 ^{4}}{2 \times 3 \times 1 0 ^{9}} = 1000$ m/s.

Stream:JEESubject:PhysicsTopic:Wave on StringSubtopic:Waves

⏱ 2mℹ️ Source: QB

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