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A small body of mass 10 gram is making harmonic oscillations along a straight line with a time period of π /4 and the maximum displacement is 10cm. The energy of oscillator is

a
0.32×10−2J
b
0.16×10−2J
c
0.48×10−2J
d
0.56×10−2J

detailed solution

Correct option is A

E=12mω2A2

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