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A particle of mass m is moving in a pote...

A particle of mass m is moving in a potential well, for which the potential energy is given by `U(x) = U_(0)(1-cosax)` where `U_(0)` and a are positive constants. Then (for the small value of x)

A

`2pisqrt((U_0)/(ma^2))

B

`2pisqrt((mU_0)/(a^2))`

C

`2pisqrt((a^2)/(mU_0))`

D

`2pisqrt((m)/(U_0a^2))`

Text Solution

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The correct Answer is:
D
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