A body of mass $5\; kg$ hangs from a spring and oscillates with a time period of $2\pi $ seconds. If the ball is removed, the length of the spring will decrease by
A body of mass $5\; kg$ hangs from a spring and oscillates with a time period of $2\pi $ seconds. If the ball is removed, the length of the spring will decrease by
- [AIPMT 1994]
- A
$g/k\;metres$
- B
$g\;metres$
- C
$k/g\;metres$
- D
$2\pi\;metres$
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