In a medium sound travels 2 km in 3 sec and in air, it travels 3 km in 10 sec. The ratio of the wavelengths of sound in the two media is [NTSE 1995]

In a medium sound travels 2 km in 3 sec and in air, it travels 3 km in

1.	In a medium sound travels 2 km in 3 sec and in air, it travels 3 km in 10 sec. The ratio of the wavelengths of sound in the two media is [NTSE 1995]
A.	1 : 8
B.	1 : 18
C.	5.5 mm, 20 KHz
D.	20 : 9
Answer» E.

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In a medium sound travels 2 km in 3 sec and in air, it travels 3 km in 10 sec. The ratio of the wavelengths of sound in the two media is [NTSE 1995]

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