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A vibrating tuning fork of frequency v i...

A vibrating tuning fork of frequency v is placed near the open end of a long cylindrical tube. The tube has a side opening and is also fitted with a movable reflecting piston. As the piston is moved through 8.75 cm, the intensity of sound changes from a maximum to minimum. If the speed of sound is 350 m `s^(-1)`, then u is

A

500 Hz

B

1000 Hz

C

2000 Hz

D

4000 Hz

Text Solution

Verified by Experts

The correct Answer is:
B
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