Heat and Thermodynamics 6 Question 14

18. The piston is now pulled out slowly and held at a distance 2L from the top. The pressure in the cylinder between its top and the piston will then be

(2007,4 M)

(a) p0

(b) p02

(c) p02+MgπR2

(d) p02MgπR2

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Answer:

Correct Answer: 18. (a)

Solution:

  1. Since it is open from top, pressure will be p0.


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