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Does a vibrating body always produce sou...

Does a vibrating body always produce sound?

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No. Sound is produced only when frequency of vibrating lies between 20Hz and 20kHz.
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PRADEEP-OSCILLATIONS AND WAVES-Very Short Answer Questions
  1. The density of oxygejn is 16 times the density of hydrogen. What is th...

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  2. What is the effect of pressure on speed of sound in air?

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  3. Does a vibrating body always produce sound?

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  4. What is the phase difference between particles being on either side of...

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  5. The ratio of amplitude of two waves is 2:3. What is the ration of inte...

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  6. What is the distance between a node and an adjoining antinode in a sta...

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  7. An open organ pipe is closed at one end. How will the frequency of fun...

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  8. If tension of a sire is increased to four times, how is the wave speed...

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  9. Why is a stationary wave so named?

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  10. The frequency of the first overtone of a closed organ pipe is same as ...

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  11. In an open organ pipe, third harmonic has a frequency 450Hz. What is t...

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  12. Where to pluck and where to touch a stretched string to excite its fi...

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  13. When a source moves at a speed greater than tht of sound, will Doppler...

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  14. What is the essential condition for the formation of beats?

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  15. Does the change in frequency due to Doppler effect depend on (i) dista...

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  16. What is the essential condition for the formation of beats?

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  17. Two sources of sound produce 20 beats in 4 second. What is the differe...

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  18. name any one use of the phenomenon of beats.

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  19. Name any two instruments based on superposition of waves.

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  20. Two sounds of very close frequencies 510Hz and 514Hz are produced simu...

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