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The distance travelled by a sound wave i...

The distance travelled by a sound wave in _________ is called the velocity of the sound wave.

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Define velocity of a sound wave.

Sound waves are _________ .

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The wavelength of sound waves ranges from __________ .

SURA PUBLICATION-ACOUSTICS-ADDITIONAL QUESTIONS & ANSWERS (FILL IN THE BLANKS (COVERS THE WHOLE UNITS))
  1. The velocity with which the particles of a medium vibrate in order to ...

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  2. The velocity with which the wave travels through a medium is called .

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  3. The distance travelled by a sound wave in is called the velocity of t...

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  4. The speed of sound is directly proportional to the square root of the ...

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  5. Velocity of sound in solids decreases as the increases.

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  6. When sound is reflected from a convex surface, the· reflected waves ar...

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  7. When sound is reflected from a concave surface, the reflected waves ar...

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  8. Many halls are designed with reflecting surfaces to required to focus...

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  9. In surfaces, sound from one focus will always be reflected to the oth...

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  10. What is persistences of hearing?

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  11. The minimum time interval between the two sound is .

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  12. The minimum distance required to hear an echo is part of the magnitud...

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  13. The principle of echo is used in ultrasonography.

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  14. Echo is used to determine the of sound waves in any medium.

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  15. are basically curved surfaces which are used in auditoria and halls to...

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  16. is a hearing aid used by people, who have difficulty in hearing.

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  17. A is a horn-shaped device used to address a small gathering of people...

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  18. The frequency of radio waves emitted by a satellite decreases as the s...

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  19. From the frequency change, the speed and location of the aeroplanes an...

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  20. The speed of marine animals and submarines can be determined by using ...

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