Physics - Sound Wave Question with Solution | TestHub

PhysicsSound WaveWavesMedium2 minQB
PhysicsMediumsingle choice

A 300 Hz fork gives 6 beats per second with a sonometer string. A slight increase in the tension gives more beats per second than before. The string frequency was:

Options:

Answer:
C
Solution:

The string is 294 or 306 Hz. Raising tension raises its frequency. Beats increase only if the string moves away from 300 Hz, so it was above: 306 Hz.

Stream:JEESubject:PhysicsTopic:Sound WaveSubtopic:Waves
⏱ 2mℹ️ Source: QB

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