A horizontal platform with an object placed on it is executing $S.H.M$. in the vertical direction. The amplitude of oscillation is $3.92 \times {10^{ - 3}}m$. What must be the least period of these oscillations, so that the object is not detached from the platform
  • A$0.1256\, sec$
  • B$0.1356\, sec$
  • C$0.1456\, sec$
  • D$0.1556\, sec$
AIIMS 1999, Diffcult
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