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Questions  

The function sin2(ωt)  represents:

a
a simple harmonic motion with a period 2πω
b
a simple harmonic motion with a period πω
c
a periodic, but not simple harmonic motion with a period 2πω
d
a periodic, but not simple harmonic motion with a period πω

detailed solution

Correct option is B

x=sin2(ωt)=12-12cos2ωt which is a SHM of angular frequency 2ω about the equlibrium position x=12.Period, T = 2π2ω = πω

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