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Question
In given figure a cylindrical vessel contains nitrogen and closed by a 20 kg frictionless piston. If cylinder is slowly heated for sometime and 77 J of heat is supplied to the gas then find the displacement of piston during the process. (Area of cross-section of piston = 200 cm2, atmospheric pressure = 100s kPa, g = 10m/s2)
When an ideal gas is compressed isothermally then its pressure increases because :
When an ideal gas is compressed isothermally then its pressure increases because :
Options
A.its potential energy decreases
B.its kinetic energy increases and molecules move apart
C.its number of collisions per unit area with walls of container increases
D.molecular energy increases
Solution
For isothermal, PV = constant, P α 1/V. As area decreases number of collision per unit area increases
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