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If the period of oscillation of mass m suspended from a spring is 2s, then the period of mass 4m will be ___________

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If the period of oscillation of mass m suspended from a spring is 2s, then the period of mass 4m will be ___________

(a) 1s

(b) 4s

(c) 8s

(d) 16s

I have been asked this question in exam.

My query is from Oscillatory Motion in chapter Oscillations of Engineering Physics I

1 Answer

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Best answer
The correct choice is (b) 4s

The best explanation: T2/T1 = √(m2/m1)=√(4m/m)=2

T2=2T1=2×2=4s.

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