Q. Which of the following equation represent a progressive wave?
A) y=A cos ax sin bt
B) y=A sin bt
C) y=A cos (ax+bt)
D) y=A tan (ax+bt)
Explanation
(c) If after t time, displacement of particle is y, then the rquation of progressive wave
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Y=A cos (ax+bt)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.