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The equations of two waves acting in per...

The equations of two waves acting in perpendicular direction are given as `x = a cos (omega t + delta) " and " y = a cos (omega t + alpha) " where " delta = alpha + pi//2` the resultant wave represents

A

a parabola

B

a circle

C

an ellipse ·

D

a straight line

Text Solution

Verified by Experts

The correct Answer is:
D
a straight line
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