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Velocity of sound in air 300m/s. If the ...

Velocity of sound in air 300m/s. If the distance between the two successive nodes of a stationary wave of frequency 1000 Hz will be

A

10 cm

B

20 cm

C

15 cm

D

30 cm

Text Solution

Verified by Experts

The correct Answer is:
C
Distance two successive nodes `= (lambda)/(2)`
`lambda = (v)/(n) = (300)/(1000)`
`= (3)/(10)m`
`= (3 xx 100)/(10) cm = 30 cm`
`therefore` Separation between two successive nodes
`= (lambda)/(2) = 15 cm`
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