Q. The equation of S.H.M. is $y = a\sin{(2\pi nt + \alpha)},$ then its phase at time $t$ is
A) $2\pi nt$
B) $\alpha$
C) $2\pi nt + \alpha$
D) $2\pi t$
Explanation
(c) $y = a\sin{(2\pi nt + \alpha).}$ Its phase at time $t = 2\pi nt + \alpha$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.