A particle of mass $m$ is dropped from a height $R$ equal to the radius of the earth above the tunnel dug through the earth as shown in the figure. Hence the correct statement is
  • AParticle will oscillate through the earth to a height $h=R$ on both sides
  • B
    Motion of the particle is periodic
  • C
    Motion of the particle is simple harmonic
  • DBoth $(a)$ and $(b)$
Diffcult
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