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Hard The first law of thermodynamics, isothermal and adiabatic processes MCQs for JEE

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Part of Thermodynamics in JEE Main Physics.

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Q1PhysicsUnit 8: Thermodynamics

The amount of work done by the gas system in increasing the volume of 10 mols of an ideal gas from one litre to 20 litres at

0^{0}

C will be

Q2PhysicsUnit 8: Thermodynamics

One mole of an ideal gas u ndergoes a process:

P=\frac{P_{0}}{1+\left(V_{0} / V\right)^{2}}

Here

P_{0}

and

V_{0}

are constants.change in temperature of the gas when volume is changed from

V=V_{0}

V=2 V_{0}

is:

Q3PhysicsUnit 8: Thermodynamics

In a certain process 500 cal of heat is given to a system and the system does

100 J

of work. The increase in internal energy of the system is

Q4PhysicsUnit 8: Thermodynamics

If a gas is compressed adiabatically by doing work of

150 \mathrm{J}

, the change in the internal energy of the gas is:

Q5PhysicsUnit 8: Thermodynamics

The change in internal energy of a system depends on

Q6PhysicsUnit 8: Thermodynamics

Which of the following options is the only correct representation of a process in which

\Delta U=\Delta Q-P \Delta V ?

Q7PhysicsUnit 8: Thermodynamics

A cyclic process is shown in the figure.Work done during isobaric expansion is:

Q8PhysicsUnit 8: Thermodynamics

When an ideal gas expands isothermally, its internal energy will

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