Physics · May / June 2021 · Paper 11 · Question 12

At a depth $d$ in sea-water, the total pressure experienced by a diver is $2P$, where $P$ is atmospheric pressure. At which depth is the pressure $4P$?

1. A1.5$d$
2. B2$d$
3. C3$d$
4. D4$d$

As printed in the paper