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TS EAMCET Medical 8 May 2019 Shift 2 Paper

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Question : 111

Total: 159

A magnetic dipole of moment

is placed in the magnetic field

. It is free to rotate about an axis about which its moment of inertia is I. It is displaced by a small angle θ0(θ0≪1) at time t - Os and released. The dipole undergoes simple harmonic motion with angular frequency ox Its potential energy at time t is: (Assume sin (α) ~ α cos(α) = 1 -

if α ≪ 1)

−mB(1−
θ02
2
cos2(ωt))
−mB(1−
θ02
2
sin2(ωt))
−mB(1−
θ02
2
)cos2(ωt)
−mB(1−
θ02
2
)sin2(ωt)

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