Physics - Sound Wave Question with Solution | TestHub
PhysicsSound WaveWavesMedium2 minQB
PhysicsMediumsingle choice
A fork gives 3 beats per second with a 320 Hz fork. After loading the 320 Hz fork the beats fall to 2 per second. The frequency of the fork is:
Options:
Answer:
B
Solution:
Unknown is 317 or 323. Loading lowers 320 toward 319: with 317 the beats fall from 3 to 2; with 323 they would rise to 4. So 317 Hz.
Stream:JEESubject:PhysicsTopic:Sound WaveSubtopic:Waves
⏱ 2mℹ️ Source: QB
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