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  • 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 is -Option: 1 25</div

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 is -

Option: 1

25


Option: 2

12.5


Option: 3

20


Option: 4

15


Answers (1)

best_answer

In the fundamental mode,

frequency,\eta =\frac{V}{\lambda }

\eta =\frac{V}{4l }

\eta =\frac{l}{t \, X\, 4l } [\because V = \frac{l}{t}]

\eta =\frac{1}{0.01\, X\, 4 }

= 25 hz

Posted by

Divya Prakash Singh

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