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The first law of thermodynamics, isothermal and adiabatic processes Short Tricks for JEE

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Short tricks for The first law of thermodynamics, isothermal and adiabatic processes work only with strong fundamentals. Apply the tips below in timed sets and review every explanation.

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The first law of thermodynamics, isothermal and adiabatic processes focus drill
Solve 15 mixed MCQs for The first law of thermodynamics, isothermal and adiabatic processes, review every explanation, and note formulas you hesitated on.
Dimensional check first
Before solving, verify each term has consistent SI dimensions — eliminates wrong options quickly in JEE MCQs.
Limiting cases
Substitute extreme values (t→0, m→∞, θ→0) to sanity-check your final expression.

Syllabus context

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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Frequently asked questions

Are short tricks enough for The first law of thermodynamics, isothermal and adiabatic processes in JEE?

No — tricks complement concepts. Master the theory first, then use shortcuts in timed MCQ practice.

Short tricks for speed

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Frequently asked questions

Are short tricks enough for The first law of thermodynamics, isothermal and adiabatic processes in JEE?

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