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KVPY SA Exam 19-Nov-2017 Question Paper

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Question : 29

Total: 80

A long cylindrical pipe of radius 20 cm is closed at its upper end and has an airtight piston of negligible mass as shown. When a 50 Kg mass is attached to the other end of the pistion, it moves down by a distance ∆l before coming to equilibrium. Assuming air to be an ideal gas,

(see figure) is close to (g = 10 ms‌2 , atmospheric pressure is 10‌5 Pascal),

0.01
0.02
0.04
0.09

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