Q.

Gas equation PV=nRT  is obeyed by

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a

Both (a) and (b)

b

None of these

c

Only adiabatic process

d

Only isothermal process

answer is C.

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Detailed Solution

PV=nRT  is for and ideal gas following isothermal or adiabatic process.

Work done by the system is always zero in case of free expansion. From the adiabatic boundary no heat is bound to be transferred. Hence internal energy of the ideal gas does not change giving us the conclusion that temperature remains fixed

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