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In a stationary wave represented by y = ...

In a stationary wave represented by `y = a sin omegat cos kx`, amplitude of the component progerssive wave is

A

`(a)/(2)`

B

`a`

C

`2a`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
`y = a sin omegat cos Kx`
`y = (1)/(2) (2a sin omegat cos Kx)`
`:.` Amplitude of component wave is `(a)/(2)`
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Knowledge Check

  • In a stationary wave represented by y = 2a cos kx sin omega t the Intensity at a certain point is maximum when:

    A
    cos kx is maximum
    B
    cos kx is minimum
    C
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    B
    `pi A `
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    A
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