Given equation of SHM is Y=5 cosπ2(100 t-2x) what is time period? [JIPMER 2018]
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a
0.04 s
b
1 s
c
0.06 s
d
0.02 s
answer is A.
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Detailed Solution
Given, Y=5 sinπ2(100t-2π)=5 sin (50πt-πx) …(i)General equation of SHM is Y=A sin (ωt-kx) …(ii)After comparing with Eqs. (i) and (ii), ω=50π∴Time period, T=2πω=2π50π=0.04 s