NEET Physics: Thermodynamics — MCQ Test 3

Q6. In an adiabatic process, \( 1 \, \text{mole} \) of gas at \( 600 \, \text{K} \) does \( 2000 \, \text{J} \) of work. What is the final temperature? (\( \gamma = 1.4 \), \( R = 8.3 \, \text{J mol}^{-1} \text{K}^{-1} \))

Q7. In an isobaric process, what remains constant?

Q8. Which of the following statements is correct about a quasi-static process?

Q9. A gas undergoes an adiabatic compression from \( 16 \, \text{L} \) to \( 4 \, \text{L} \), increasing its pressure from \( 1 \, \text{atm} \) to \( 8 \, \text{atm} \). What is the value of \( \gamma \)?

Q10. Which of the following is NOT a requirement for the Zeroth Law to apply?

Q11. What prevents a spontaneous process like free expansion from being reversible?

Q12. What is the change in internal energy for \( 0.7 \, \text{moles} \) of an ideal gas heated from \( 280 \, \text{K} \) to \( 340 \, \text{K} \) at constant volume? (\( C_v = 20.8 \, \text{J mol}^{-1} \text{K}^{-1} \))

Q13. Which of the following statements is correct about heat in thermodynamics?

Q14. Why does the Second Law impose a limit on the efficiency of a heat engine?

NEET Physics — Thermodynamics

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Which of the following statements correctly defines thermal equilibrium?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Thermodynamics. It contains 14 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Following, Statements, Correctly, Equilibrium, Isobaric, and Supplied.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1.

Which of the following statements correctly defines thermal equilibrium?

  • A.

    Systems have different temperatures

  • B.

    Heat flows continuously between systems

  • C.

    No net heat flows due to equal temperatures

  • D.

    Pressure remains unequal

Q2.

In an isobaric process, 1.6 moles1.6 \, \text{moles} of an ideal gas expand from 6 L6 \, \text{L} to 12 L 12 \, \text{L} at 400 K400 \, \text{K}. What is the work done by the gas? (R=8.3 J mol−1K−1R = 8.3 \, \text{J mol}^{-1} \text{K}^{-1})

  • A.

    5000 J

  • B.

    5312 J

  • C.

    5500 J

  • D.

    5700 J

Q3.

In an isobaric process, 1.2 moles1.2 \, \text{moles} of gas expand from 340 K340 \, \text{K} to 430 K430 \, \text{K}. What is the heat supplied if Cp=24.9 J mol−1K−1C_p = 24.9 \, \text{J mol}^{-1} \text{K}^{-1}?

  • A.

    2500 J

  • B.

    2695 J

  • C.

    2800 J

  • D.

    3000 J

Q4.

A gas expands adiabatically from 4 atm4 \, \text{atm} and 8 L8 \, \text{L} to 1 atm1 \, \text{atm} . What is the final volume? (γ=1.67\gamma = 1.67)

  • A.

    16 L

  • B.

    18.4 L

  • C.

    20 L

  • D.

    22 L

Q5.

A gas at 2 atm2 \, \text{atm} and 27∘C27^\circ \text{C} in a 5 L5 \, \text{L} container is compressed isochorically until its pressure becomes 4 atm4 \, \text{atm}. What is the final temperature?

  • A.

    300°C

  • B.

    327°C

  • C.

    350°C

  • D.

    373°C

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