Question

A small ball of density p plunges into a liquid of density 2p,after falling freely from a height h above its surface.The motion of the particle will be

Answer 1

1) simple harmonic with a period of 4√2h/g
2)periodic with a time period of 4√2h/g
3)Simple harmonic with a period of 2√2h/g
4).Periodic with a period of 2√2h/g

Answer 2

@parthkohli @ganeshie8

Answer 3

I believe it oscillates up and down like this :