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

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 +A_2^(2) + 2A_1A_2 cos (beta _1 -beta __2))`

B

` sqrt ( A_1^(2) +A_2^(2) +2A _1A_2 sin (beta _1-beta _2))`

C

` |A_1-A_2|`

D

` |A_1 +A_2|`

Text Solution

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The correct Answer is:
A
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