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Explain the term loudness. Give its unit...

Explain the term loudness. Give its unit and formula in decibel.

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CHETANA PUBLICATION-SOUND-EXERCISE
  1. Which are the major qualities of sound?

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  2. Explain the terms Pitch and Timbre.

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  3. Explain the term loudness. Give its unit and formula in decibel.

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  4. When heard independently, two sound waves produce sensation of 60 db a...

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  5. Define Doppler effect for sound waves?

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  6. What is essential for obtaining Doppler effect for sound waves?

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  7. What is the major difference between Doppler effect of sound and light...

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  8. What is the effect of wind on Doppler shift of sound waves? Does veloc...

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  9. Under which three conditions the changes in frequency can be studied u...

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  10. State common properties between Doppler effect of sound and light.

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  11. Under which conditions of motion between source and observer, Doppler ...

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  12. Derive an expression for apparent frequency when source is moving and ...

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  13. Derive an expression for apparent frequency when listener approaches a...

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  14. Write an expression for apparent frequency when both source and listen...

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  15. State the expression for apparent frequency : i. when source of sou...

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  16. State the expression for apparent frequency : i. when source of soun...

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  17. State the expression for apparent frequency : i. when source is stat...

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  18. State the expression for apparent frequency : i. when source is stat...

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  19. A rocket is moving at a speed of 220m//s towards a stationary target. ...

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  20. A bat,flying at velocity VB = 12.5 m//s,isfollowed by a car running at...

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