What is the period of small oscillations of the block of mass $m$ if the springs are ideal and pulleys are massless ?
What is the period of small oscillations of the block of mass $m$ if the springs are ideal and pulleys are massless ?
- A
$\frac{\pi }{2}\sqrt {\frac{m}{k}} $
- B
$\frac{\pi }{2}\sqrt {\frac{m}{{2k}}} $
- C
$\frac{\pi }{2}\sqrt {\frac{{2m}}{k}} $
- D
$\pi \sqrt {\frac{m}{{2k}}} $
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- [AIPMT 1994]
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