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Pitch of the sound appears to…………………………w...

Pitch of the sound appears to…………………………when the source of sound moves away from the observer.

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MODERN PUBLICATION-WAVES-REVISION EXERCISES
  1. In an……………………Organ pipe, both odd and even harmonics are present.

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  2. If the prong of a tuning fork is filed, its frequency………………and if it l...

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  3. Pitch of the sound appears to…………………………when the source of sound moves ...

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  4. When the observer is at rest and the source moves with a supersonic sp...

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  5. What is a wave function ? Write its general form.

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  6. Distinguish between periodic and harmonic wave function.

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  7. Distinguish between longitudinal and transverse waves.

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  8. State Newton's formulas for velocity of sound in air. Point out the er...

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  9. What are the major points of difference between sound waves and light ...

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  10. What are the factors on which the frequency of vibration of a stretche...

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  11. Discuss the dependence of velocity of sound on temperature and density...

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  12. Show that the pressure is independent of the velocity of sound.

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  13. What do you mean by temperature coefficient of the velocity of sound ?...

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  14. What do you mean by reflection of sound waves ? What are various appli...

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  15. State the principle of superposition of waves. Derive an expression fo...

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  16. Why all the stringed instruments are provided with hollow boxes?

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  17. Does the speed of light waves also depend on the temperature like soun...

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  18. While going up in the atmosphere, how the velocity of sound changes ?

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  19. What is meant by beats? Discuss graphical method of beats.

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  20. What would a person hear, if he moves away from a source of sound with...

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