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To reduce the frequency of a tuning fork...

To reduce the frequency of a tuning fork –

A

It should be scraped by a file

B

It should be loaded with a little wax.

C

Either of (A) and (B)

D

Neither of (A) and (B)

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-SOUND WAVES-Exercise - 1
  1. The first two resonance lengths in a resonance tube formed are 16.5 cm...

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  2. A resonance tube is resonated with tuning fork of frequency 256 Hz. If...

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  3. To reduce the frequency of a tuning fork –

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  4. The number of beats produced per second is equal to the –

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  5. Beats are the result of

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  6. When a tuning fork A of frequency 100 Hz is sounded with a tuning fork...

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  7. If two tuning fork A and B are sounded together they produce 4 beats p...

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  8. 56 tuning forks are so arranged in series that each fork gives 4 beats...

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  9. Two waves y=0.25 sin 316 t and y=0.25 sin 310 t are travelling in sa...

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  10. A sources of sound gives 5 beats per second when sounded with another ...

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  11. A sonometer wire is 31 cm long is in resonance with a turning fork of ...

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  12. A set of 24 tuning fork is arranged in a series of increasing frequenc...

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  13. Doppler’s effect will be more effectively observed when the observer -

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  14. Doppler effect is not applicable

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  15. Doppler’s effect can be observed for -

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  16. Doppler’s displacement doesn’t depend upon -

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  17. Apparent frequency of train A is heard by observer in train B as 3/4 o...

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  18. A source and a listener are in unidirection at motion with velocities ...

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  19. Which of the following property of waves is proved by Doppler’s effect...

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  20. A source of frequency n is moving with a uniform velocity v towards a ...

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