Physics·MCQ Practice

First Law of Thermodynamics — MCQ Practice

NEET UG
Version 1Updated 23 Mar 2026

Interactive MCQ Practice

Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.

Q1medium

A gas is compressed adiabatically. Which of the following statements is true regarding this process?

Q2easy

An ideal gas undergoes a cyclic process ABCA as shown in the P-V diagram. The work done by the gas during the cycle is:

Q3easy

A system absorbs 200,J200,\text{J} of heat and performs 150,J150,\text{J} of work. What is the change in the internal energy of the system?

Q4easy

For an ideal gas, which of the following processes results in zero change in internal energy?

Q5medium

One mole of an ideal monatomic gas (CV=32RC_V = \frac{3}{2}R) is heated at constant volume from 27circC27^circ\text{C} to 127circC127^circ\text{C}. The heat absorbed by the gas is:

Q6hard

An ideal gas expands from volume V1V_1 to V2V_2 in three different processes: (i) Isothermal, (ii) Adiabatic, (iii) Isobaric. If the initial and final volumes are the same for all processes, and the initial pressure is the same, which process does the most work?

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