Question

Sound wave of wavelength 60 cm in a
medium is refracted into air. If speed of
sound in medium is 3300 m/s, then its
wavelength in air is nearly (take speed of
sound in air to be 330 m/s):​

Answer 1

Answer:

A sound wave of wavelength

in glass is reflected into air. If the speed of sound in glass is

, the wavelength of wave in air (speed of sound in air

) is :

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Text Solution

55 cm

5.5 cm

55 m

5.5 m

Answer :

B

Solution :

In glass,

<br>

<br> In air,

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