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QAIPMT-2003-Ph-2745: NEET 2003 Physics - Class 11 AIPMT-2003-Ph-2745 Solution: The time period of mass suspended from a spring is T. If the…
The time period of mass suspended from a spring is T. If the spring is cut into four equal parts and the same mass is suspended from one of the parts, then the new time period will be
Multiple Choice Options
- A T/4
- B T
- C T/2
- D 2T
Step-by-Step Verified Solution
Let k be the force constant of spring. If k' is the force constant of each part, then
1 l = 4 k _ _ k _ = 4 k
_ Time period
= 2 � m 4 k = 1 2 _ 2 � m k = T 2