

MCQOPTIONS
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1. |
The equation of S.H.M. is \[y=a\sin (2\pi nt+\alpha )\], then its phase at time t is [DPMT 2001] |
A. | \[2\pi nt\] |
B. | \[\alpha \] |
C. | \[dQ=(dU+dV)\,P\] |
D. | \[2\pi t\] |
Answer» D. \[2\pi t\] | |