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If the length of an open pipe is kept co...

If the length of an open pipe is kept constant but the diameter of the pipe is increased , then its frequency will diameter of the pipe is increased, then its frequency will

A

decrease

B

incerase

C

remain the same

D

first increase and then decrease

Text Solution

Verified by Experts

The correct Answer is:
A
If the diameter of the pipe is increased, then the effective length is increased because of the end correction of `0.6` D
and ` :' n = v/(2L')` , the frequency is decreased .
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MARVEL PUBLICATION-STATIONARY WAVES-MULTIPLE CHOICE QUESTIONS (STANDARD LEVEL )
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  2. An organ piep has a fundamental frequency of 100 Hz. Its second overto...

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  3. If the length of an open pipe is kept constant but the diameter of the...

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  4. In an open organ pipe the fundamental frequency is 30 Hz. If the org...

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  5. Velocity of sound in air is 320 m s^(–1). A pipe closed at one end has...

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  6. A pipe 20 cm long is closed at one end. Which harmonic mode of the pip...

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  7. An open and closed organ pipe have the same length the ratio pth mode ...

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  8. The number of possible natural oscillations of air column in a pipe cl...

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  9. The fundamental frequency of a closed organ pipe of length 20 cm is eq...

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  10. A 30 cm long pipe is open at both ends. Which harmonic mode of the pip...

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  11. An open tube is in resonance with string (frequency of vibration of tu...

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