A mass $m$ is suspended from a spring of force constant $k$ and just touches another identical spring fixed to the floor as shown in the figure. The time period of small oscillations is
A mass $m$ is suspended from a spring of force constant $k$ and just touches another identical spring fixed to the floor as shown in the figure. The time period of small oscillations is
- A
$2 \pi \sqrt{\frac{ m }{ k }}$
- B
$\pi \sqrt{\frac{ m }{ k }}+\pi \sqrt{\frac{ m }{ k / 2}}$
- C
$\pi \sqrt{\frac{ m }{3 k / 2}}$
- D
$\pi \sqrt{\frac{ m }{ k }}+\pi \sqrt{\frac{ m }{2 k }}$
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- [AIPMT 1990]
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