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On producing the waves of frequency 100 Hz in a kundt's tube the total distance between 6 successive nodes is 85 cm. Speed of sound in the gas filled in the tube is

A

`330 m//s`

B

`340 m//s`

C

`350 m//s`

D

`300 m//s`

Text Solution

Verified by Experts

The correct Answer is:
B

Distance between six successive node
`=(5lamda)/(2)=85cmimplieslamda(2xx85)/(5)=34cm=0.34m`
Therefore speed of sound in gas
`nlamda=1000xx0.34=340 m//s`
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