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A pipe closed at one end open at the oth...

A pipe closed at one end open at the other end, resonates with sound waves of frequency 135 Hz and also 165 Hz, but not with any wave of frequency intermediate between these two. Then, the frequency of the fundamental note is

A

30 Hz

B

15 Hz

C

60 Hz

D

7.5 Hz

Text Solution

Verified by Experts

The correct Answer is:
b
In a closed pipe, resonance frequency,
`v= (2r-1)//4l=135 and 165.`
The lowest frequency must be highest common factor of
135 and 165, which is 15 Hz.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-STATIONARY WAVES -EXERCISE 1
  1. A pipe opened at both ends prpduces a note of frequency f(1). When the...

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  2. A closed organ pipe of length 1.2 m vibrates in its first overtone mod...

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  3. An organ pipe P closed at one end vibrates in its first narmonic. Anot...

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  4. Two closed organ pipe A and B have the same length. A is wider than B....

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  5. If lambda(1), lambda(2), lambda(3) are the wavelengths of the waves gi...

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  6. An organ pipe is closed at one end has fundamental frequency of 1500 H...

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  7. Two closed organ pipes of length 100 cm and 101 cm 16 beats is 20 sec....

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  8. An open pipe is suddenly closed at one end with the result that the fr...

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  9. An open organ pipe has fundamental frequency 100 Hz. What frequency wi...

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  10. A pipe closed at one end open at the other end, resonates with sound w...

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  11. A glass tube is open at both the ends. A tuning fork of frequency f re...

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  12. A cylinderical tube open at both ends, has a fundamental frequency f i...

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  13. The end correction of a resonance colume is 1.0 cm.If the shortest len...

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  14. The vibrating of four air columns are represented in the figure. The ...

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  15. Air is blown at the mouth of a tube of length 25 cm and diameter equal...

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  16. A closed organ pipe of length 20 cm is sounded with tuning fork in res...

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  17. An orgen pipe open at one end is vibrating in first overtone and is in...

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  18. In a resonance column first and second resonance are obtained at depth...

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  19. In one metre long open pipe what is the harmonic of resonance obtained...

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  20. A cylinderical tube open at both ends, has a fundamental frequency f i...

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