Question

What is the pressure on a swimmer 20 m below the surface of water?
(1) 1 atm
(2) 2 atm
(3) 3 atm
(4) 4 atm​

Answer 1

Answer:

3 atm is the answer

Usually we are calculating 2atom now we are calculating 1atm as atmospheric pressure

Answer 2

Answer:

2 atm answer of this question