A small solid ball of density \rho is held inside at point A in a closed cubical container of side L, filled with an ideal liquid of density 4 \rho as shown in the figure. Now, if the container starts moving with constant acceleration a horizontally and the ball is released from point A simultaneously, then

For ball to hit the top of container at end Q, a=3 g

For ball to hit the top of container at end Q, a=2 g

Ball hits the top of container at end Q after a time t=\sqrt{L \/ 3 g}

Ball hits the top of container at end Q after a time t=\sqrt{2 L \/ 3 g}

JEE Advanced 2020 Full Test 2 Paper 1

Question : 10 of 54

Marks: +1, -0

A small solid ball of density ρ is held inside at point A in a closed cubical container of side L, filled with an ideal liquid of density 4ρ as shown in the figure. Now, if the container starts moving with constant acceleration a horizontally and the ball is released from point A simultaneously, then

For ball to hit the top of container at end Q,a=3g
For ball to hit the top of container at end Q,a=2g
Ball hits the top of container at end Q after a time t=√L∕3g
Ball hits the top of container at end Q after a time t=√2L∕3g

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