Question

The time period of a mass suspended from a spring is 5s. The spring is cut into four equal parts and same mass is now suspended from one of its parts. The period is now –

• A. 5s
• B. 2.5 s
• C. 1.25 s
• D. $\frac{5}{16}$s

Answer 1

Answer: (B)

2.5 s

Answer 2

T = 2p $\sqrt{\frac{m}{k}}$