SHMMedium
Question
A particle is dropped from a height equal to the radius of the earth above the tunnel dug through the earth as shown in the figure.
R : Radius of earth.
M : Mass of earth
R : Radius of earth.
M : Mass of earth
Options
A.Particle will oscillate through the earth to a height R on both sides
B.Particle will execute simple harmonic motion
C.Motion of the particle is periodic
D.Particle passes the centre of earth with a speed 
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