By sucking through a straw, a student can reduce the pressure in his lungs to 750 mm of Hg (density 
). Using the straw, he can drink water from a glass upto a maximum depth of
Text Solution
Verified by ExpertsThe correct answer is:
C
Pressure differences between lungs of students and atmosphere
of Hg
ie, 
of 
of Hg
or 
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