Oscillations and Waves-Doppler Effect in Sound (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Physics): Questions 5 - 5 of 5
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Question number: 5
» Oscillations and Waves » Doppler Effect in Sound
Appeared in Year: 2013
An engine moving away from a vertical cliff blows a horn at a frequency f. Its speed is 0.5 % of the speed of sound in air. The frequency of the reflected sound received at the engine is –