A tuning moving towards a tunnel in a hu...

A tuning moving towards a tunnel in a huge mountain with a speed of `12 m//s` sounds its whistle. Sound is reflected from the mountain. If the driver hears `6` beats per second & speed of sound in air is `332 m//s`, the frequency of the whistle is

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RESONANCE-SOUND WAVES-Exercise- 2 PART - II

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