There are two holes P and Q at depths h and 4h from the top of a large vessel,
Channel: Doubtnut
Date: 2020-05-24

There are two holes P and Q at depths h and 4h from the top of a large vessel, completely filled with water. P is a square hole of side L and Q is a circular hole of radius r. If the same quantity of water flows out per second from both the holes, then the relation between L and r is