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The equation of a stationary wave is y ...

The equation of a stationary wave is ` y = 0.8 cos ((pi x)/(20)) sin 200 pi t` where ` x` is in cm and t is in s. The separation between consecutive nodes will be

A

10 cm

B

20 cm

C

30 cm

D

40 cm

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The correct Answer is:
B
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