When a mass m is attached to a spring, it normally extends by 0.2 m . The mass m is given a slight addition extension and released, then its time period will be
A. `(1)/(pi) s`
B. `(2pi)/(7) s`
C. 7 s
D. `(1)/(7) s`

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1 Answers

Correct Answer - B
`T=2pisqrt((x)/(g))=2pisqrt((0.2)/(9.8))=(2pi)/(7)s`

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