A large horizontal surface moves up and down in $SHM$ with an amplitude of $1 \,cm$. If a mass of $10\, kg$ (which is placed on the surface) is to remain continually in contact with it, the maximum frequency of $S.H.M.$ will be ... $Hz$
  • A$0.5$
  • B$1.5$
  • C$5$
  • D$10$
AIIMS 1995, Medium
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