First slide

Stationary waves

Question

Stationary waves of frequency 300 Hz are formed in a medium in which the velocity of sound is 1200 metre/sec. The distance between a node and the neighbouring antinode is

Moderate

A

1 m
B

2 m
C

3 m
D

4 m

Solution

Required distance $= \frac{λ}{4} = \frac{v / n}{4} = \frac{1200}{4 \times 300} = 1 m$

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