A block of mass ' M ' rests on a piston executing S.H.M. of period one second. The amplitude of oscillations, so that the mass is separated from the piston, is (acceleration due to gravity, g =10 ~ms ⁻², ^2=10 )

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Correct answer: A. 0.25 m

Given that, T =2 m k =1 ~s m k = 1 4 ^2 The block will separate, when the restoring force exceeds the force due to gravity. i.e., kx Mg x Mg k = g 4 ^2 = 10 4 10 =0.25 ~m

A block of mass ' M ' rests on a piston executing S.H.M. of period one second. The amplitude of oscillations, so that the mass is separated from the piston, is (acceleration due to gravity, g =10 ~ms ⁻², ^2=10 )

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