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The variation of potential energy of har...

The variation of potential energy of harmonic oscillator is as shown in figure. The spring constant is

A

`1 xx 10^(2)Nm^(-1)`

B

`1.5 xx 10^(2) Nm^(-1)`

C

`2 xx 10^(2)Nm^(-1)`

D

`3 xx 10^(2)Nm^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
(b) `(1)/(2) kA^(2)=(0.04-0.01)J=0.03 J`
`therefore k=(0.06)/(A^(2))=(0.06)/((0.02)^(2))=150 Nm^(-1)`
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