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In the fundamental mode , time taken by ...

In the fundamental mode , time taken by the wave to reach the closed end of the air filled pipe is 0.01 s . The fundamental frequency is

A

25

B

12.5

C

20

D

15

Text Solution

Verified by Experts

The correct Answer is:
a
In the fundamental mode, frequency, `n=v/lambda rArr n = v/(4l)`
` n=l/(txx4l)[because v=l/t]`
`rArr n=1/(0.01xx4)=25`
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