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Two waves represented by y= a" "sin(om...

Two waves represented by `y= a" "sin(omegat-kx) and y=a" " sin(omegat-kx+(2pi)/(3))` are superposed. What will be the amplitude of the resultant wave?

A

`2a`

B

`3a`

C

`4a`

D

`a`

Text Solution

Verified by Experts

The correct Answer is:
D
`A_(res)=sqrt(a^(2)+a^(2)+2aacos((2pi)/(3)))`
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