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The audible range of sound is 20 Hz to 2...

The audible range of sound is 20 Hz to 20000 Hz. At `22^@C` in airspeed of sound is `344 m//s`.Express the range of sound in terms of wavelength by calculating the respective values.

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The audible range of sound for human being.

The audible frequency range of human ear is 20 Hz and 20 kHz. The corresponding wavelength range is [speed of sound in air = 340 m/s]

A source of sound has frequency 2000 Hz. If the speed of sound in air 340m//s , find the distance covered by sound when the source completes 400 vibrations.

The velocity of sound in air at 20^@ C and 1 atm pressure in 344.2 m//s . At 40^@C and 2 atm pressure, the velocity of sound in air is

The speed of the sound in air at 0 ^@C is 332m//s . Find the speed of sound in air at 10^@C .

A sound wave has wavelength 0.87m in air and 0.88m in a gas. The speed of sound in air is 348m//s . Find the frequency of sound and the speed of sound in the gas.

Solve the following example: A sound wave has wavelength 0.85 m in air and 0.9 m in a gas. The speed of sound in air is 340 m//s . Find the frequency of sound and the speed of sound in the gas.

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CHETANA PUBLICATION-Study of Sound-EXERCISE
  1. The audible range of sound is 20 Hz to 20000 Hz. At 22^@C in airspeed ...

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  2. The unit of frequency is …………… .

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  3. The normal hearing range for humans is ………… .

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  4. Sound will not travel through ……….. .

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  5. SI unit of …………..is Hertz (Hz).

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  6. The velocity of sound is inversely proportional to the………… .

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  7. Sound waves with frequency greater than 20 kHz are called……….. .

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  8. The loudness of a sound depends upon ………… .

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  9. …../… are used in sonography.

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  10. The ……….receives the vibrations coming from the membrane and converts ...

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  11. Sound will not travel through ……….. .

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  12. SI unit of …………..is Hertz (Hz).

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  13. The loudness of a sound depends upon ………… .

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  14. …………are used in sonography.

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  15. Match the columns:

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  16. The intensity of reverberation is higher in a closed and empty house.

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  17. Bats can navigate in dark.

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  18. Sound travels faster in iron than in air.

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  19. The roof of a movie theatre and a conference hall is curved. Why?

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  20. The intensity of reverberation is higher in a closed and empty house.

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  21. What is an echo? What factors are important to get a distinct echo?

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