Sound travel from air to water. the velocity of sound waves in air is 332m/s and wavelength is 2m. if the wavelength of sound in water is 850cm, find its velocity in water?

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Sound travel from air to water. the velocity of sound waves in air is 332m/s and wavelength is 2m. if the wavelength of sound in water is 850cm, find its velocity in water?

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Answer 1 · 2016-12-16T21:07:46

$1411ms^-1$

Explanation:

The applicable expression is
$v=n lambda$
where $v$ is velocity of sound, $n and lambda$ are the frequency and wavelength of sound.
Using the given quantities for air
$332=n xx2$
$=>n =332/2=166Hz$

For water
$v_"water"=n xxlambda_"water"$
$=>v_"water"=166 xx8.5$ (convert wavelength in to meters)
$=>v_"water"=166 xx8.5=1411ms^-1$

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Sound travel from air to water. the velocity of sound waves in air is 332m/s and wavelength is 2m. if the wavelength of sound in water is 850cm, find its velocity in water?

1 Answer

Explanation:

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