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How is principle of acoustic used by ani...

How is principle of acoustic used by animals?

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CHETANA PUBLICATION-SOUND-EXERCISE
  1. What causes reverberation?

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  2. How can reverberation be reduced?

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  3. How is principle of acoustic used by animals?

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  4. What is a full from of SONAR? Explain how it works?

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  5. What conditions must be satisfied for proper acoustics in an auditoriu...

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  6. State medical applications of acoustics?

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  7. State applications of acoustics?

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  8. A man shouts loudly close to a high wall. He hears an echo. If the man...

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  9. An echo sounder in a fishing boat receives an echo from a shoal of fis...

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  10. A girl stands 170 m away from a high wall and claps her hands at a ste...

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  11. A girl stands 171 m away from a high wall and claps her hands at a ste...

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  12. A man standing between 2 parallel cliffsfires a gun. He hears 2 echoes...

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  13. Which are the major qualities of sound?

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  14. Explain the terms Pitch and Timbre.

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

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

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  17. Define Doppler effect for sound waves?

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

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

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

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