$A$ cylindrical vessel,open at the top,contains $15 \text{ litres}$ of water. Water drains out through a small opening at the bottom. $5 \text{ litres}$ of water comes out in time $t_1$,the next $5 \text{ litres}$ in further time $t_2$,and the last $5 \text{ litres}$ in further time $t_3$. Then,
- A$t_1 < t_2 < t_3$
- B$t_1 > t_2 > t_3$
- C$t_1 = t_2 = t_3$
- D$t_2 > t_1 = t_3$
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View SolutionEqual volumes of two immiscible liquids of densities $\rho$ and $2\rho$ are filled in a vessel as shown in the figure. Two small holes are punched at depths $h/2$ and $3h/2$ from the surface of the lighter liquid. If $v_1$ and $v_2$ are the velocities of efflux at these two holes,then $v_1/v_2$ is:
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