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Two waves represented by y1 =a sin omeg...

Two waves represented by `y_1 =a sin omega t and y_2 =a sin (omega t+phi) "with " phi =(pi)/2`
are superposed at any point at a particular instant. The resultant amplitude is

A

a

B

4a

C

`sqrt2a`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C
Resultant amplitude is `sqrt(a^2+a^2)` i.e., `sqrt2 a`
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