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A massless spring, having force constant...

A massless spring, having force constant k, oscillates with frequency n when a mass m is suspended from it. The spring is cut into two equal halves and a mass `2m` is suspended from one half. The frequency of oscillation will now be

A

`m/sqrt2`

B

2n

C

n

D

`nsqrt2`

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The correct Answer is:
C
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