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What is the essential condition for the ...

What is the essential condition for the formation of beats?

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The difference in frequencies of two sources should be less than 10.
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MODERN PUBLICATION-WAVES-REVISION EXERCISES
  1. Harmonics and overtones .

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  2. In an open organ pipe, second harmonic is 400 Hz. Find the frequency o...

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

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  4. What is the difference between a tone and a note?

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  5. Is Doppler effect applicable only to sound waves.

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  6. Why cannot we hear an echo in a small room ?

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  7. What determines the quality of sound ?

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  8. What is meant by fidelity of instrument ?

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  9. On which factor the pitch of the sound depends ?

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  10. Where will a person hear maximum sound, at node or antinode?

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  11. DOPPLER EFFECT

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  12. In a stationary longitudinal wave, nodes are points of

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  13. Doppler effect is applicable for

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  14. According to Newton, when a wave passes through a gas, changes taking ...

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  15. Where should a stretched wire, held between two fixed supports, be plu...

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  16. When a wave coming from a medium where its velocity is………………meets a me...

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  17. During the formation of a stationary wave, the medium is broken into l...

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  18. The second overtone can also be called as ………………………harmonic.

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  19. …………………is a musical instrument in which sound is produced by setting a...

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  20. In an……………………Organ pipe, both odd and even harmonics are present.

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