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What is the range of wavelength in air o...

What is the range of wavelength in air of audible sound waves ? (When sound velocity in air is 340 `ms^(-1)`.)

A

0.17 m to 170 m

B

0.17m to 17 m

C

0.017 m to 17m

D

0.017 m to `.7 m

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0.017 m to 17 m
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KUMAR PRAKASHAN-SOUND-QUESTIONS AND ANSWERS (Choose the correct option from those given below cach question:)
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  20. Whose unit is decibel (dB)?

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