1.

The vertical extension in a light spring by a weight of 1 kg, in equilibrium is 9.8 cm. The period of oscillation of the spring, in seconds, will be…………….

Answer»

`(2PI)/(10)`
`(2pi)/(100)`
`20pi`
`200PI`

SOLUTION :`T=2pisqrt((l)/(g))=2pisqrt((9.8xx10^(-2))/(9.8))=(2pi)/(10)s`


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