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 equation $x^2 = 5y$ $(x, y$ are in meter). After slight displacement, the particle is set free. Find angular frequency of oscillation.....$rad/s$  (in $rad/sec$ ) (take $g = 10\ m/s^2$ ) 
  • A$2$
  • B$4$
  • C$6$
  • D$8$
Diffcult
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