1.

By sucking through a straw, a student can reduce the pressure in his lungs to 750 mm of Hg (density =13.6 g cm^(-2)). Using the straw, he can drink water from a glass upto a maximum depth of.

Answer»

Solution :PRESSURE difference between atmosphere and lungs
`DELTAP = 760 -750 10 mm = 1 CM of Hg`
Maximum depth upto which the student can suck
water from a GLASS `= 1 XX 13.6 = 13.6 cm`


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