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Physiology

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Respiration

Question
26 out of 33
 

100 feet deep under water,what is the pressure



A 2 atm
B 4 atm

C 8 atm
D 12 atm

Ans. B 4 atm

I. Assuming the density of seawater to be 1025 kg/m³ (in fact it is slightly variable), pressureincreases by 1 atm with each 10 m of depth. 1 feet = 0. 3048 meter, 100 feet = 30. 48 m

II. So, pressure increased is 3 atm , and add 1 for the normal pressure of atmosphere = 4 atm

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