A particle executes simple harmonic motion under the restoring force provided by a spring. The time period is T. If the spring is divided in two equal parts and one part is used to continue the simple harmonic motion, the time period will
A
remain T
B
become 2T
C
become T/2
D
become T/ 
Text Solution
Verified by ExpertsThe correct answer is:
D
Time period = T = 2 π 
Spring derided into two equal parts ⎯→ Length reduced to half
We know K × 
∴ K become twice K
K new = 2p 
= 2p 
= 
= 
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