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Two waves y(1) =A(1) sin (omega t - bet...

Two waves ` y_(1) =A_(1) sin (omega t - beta _(1)), y_(2)=A_(2) sin (omega t - beta_(2))` Superimpose to form a resultant wave whose amplitude is

A

` sqrt(A_(1)^(2)+ A_(2)^(2)+2A_(1)A_(2)cos (beta_(1)-beta_(2)))`

B

` sqrt(A_(1)^(2)+ A_(2)^(2)+2A_(1)A_(2)sin (beta_(1)-beta_(2)))`

C

`A_(1) +A_(2)`

D

`|A_(1) +A_(2)|`

Text Solution

Verified by Experts

The correct Answer is:
A
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