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A particle is placed at the lowest point...

A particle is placed at the lowest point of a smooth wire frame in the shape of a parabola, lying in the vertical xy-plane having equatioin `x^(2)`=5y(x,y are in meter). After slight displacement, the particle is set free. Find angular frequency of osciallation (in rad/sec) (Take g=10 m/`s^(2))`

A

2 rad/s

B

4 rad/s

C

6 rad/s

D

8 rad/s

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The correct Answer is:
A
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