Q.

A closed hollow insulated cylinder is filled with gas at 0oC and contains Insulated piston of negligible mass and negligible thickness at middle Point. Without changing temperature on one side, temperature on other  Side is heated to 100oC. If piston moves by 5 cm, Length of hollow cylinder is

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a

32.3 cm

b

64.6 cm

c

129.2 cm

d

27.2 cm

answer is B.

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Detailed Solution

For the pair in which temp does not changep0.AL2=p1(A)L2-5For the pair in which temp increasesP0V0273=P0AL2+5373
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