A spring is stretched by 0.2 m when a mass of 0.5 kg is suspended to it. The time period of the spring when 0.5 kg mass is replaced with a mass of 0.25 kg is suspended to it is
(Acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )
- A
0.628 s
- B
6.28 s
- C
62.8 s
- D
0.0628 s
✓ Correct answer: A
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