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The equation of a stationary wave is y=0...

The equation of a stationary wave is y=0.8cos`((pix)/(20))sin200pit` where x is in cm, and t is in s. the separation between consecutive nodes will be:

A

20 cm

B

10 cm

C

40 cm

D

30 cm

Text Solution

Verified by Experts

The correct Answer is:
A
`k=(pi)/20=(2pi)/(lambda)`
`(lambda)/2=20 cm`
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