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Air is blown at the mouth of a tube of l...

Air is blown at the mouth of a tube of length 25 cm
and diameter equal to 2 cm open at both ends. If
velocity of sound in air is `330 ms^(-1)`, the sound emitted
will have all the frequencies in the group

A

660 Hz, 1320 Hz, 1980 Hz

B

330 Hz , 990 Hz, 1650 Hz

C

330 Hz, 660 Hz, 990 Hz

D

All of the above

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The correct Answer is:
A
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MOTION-SOUND WAVES-Exercise - 2
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  2. Two sound waves, originating from the same sound source travel along d...

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  3. Air is blown at the mouth of a tube of length 25 cm and diameter equ...

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  4. In a resonance tube, using a tuning fork of frequency 325 Hz, the firs...

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  5. An organ pipe P(1) open at one end vibrating in its first harmonic and...

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  6. A sonometer wire with a suspended mass of M=1 kg is in resononce with ...

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  7. In an experiment with sonometer, a tuning fork of frequency 256 Hz res...

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

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  9. A standing tuning fork of frequency f is used to find the velocity of ...

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  10. For a certain organ pipe three successive resonance frequencies are ob...

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  11. An echo is heard when minimum distance of the reflecting surface is –

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  12. When two tuning forks (fork 1 and fork 2) are sounded simultaneously, ...

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  13. There are 26 tuning forks arranged in the decreasing order of their fr...

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  14. The frequency of the whistle of an engine is heard by a passenger on t...

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  15. The wavelength of a line of the spectrum of any star as seen by the ob...

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  16. The sun is rotating about its own axis. The spectral lines imitted fro...

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  17. An observer moving towards a stationary source observes that the appar...

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  18. If the velocity of sound is V, velocity of the observer is V(0) and ...

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  19. When a source of frequency n is receding away from a stationary observ...

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  20. A source is approaching a stationary observer with uniform acceleratio...

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