NEET Physics: Thermodynamics — MCQ Test 10

Q6. What is the molar specific heat capacity at constant pressure for a monatomic gas if \( C_v = 12.45 \, \text{J mol}^{-1} \text{K}^{-1} \) and \( R = 8.3 \, \text{J mol}^{-1} \text{K}^{-1} \)?

Q7. How much heat is required to vaporize \( 1.5 \, \text{g} \) of water at \( 100^\circ \text{C} \) and \( 1 \, \text{atm} \)? (Latent heat = \( 2256 \, \text{J/g} \))

Q8. A system releases \( 810 \, \text{J} \) of heat and has \( 270 \, \text{J} \) of work done on it. What is the change in internal energy?

Q9. Which of the following statements is incorrect about work in thermodynamics?

Q10. A gas at 5 atm in a 6 L container is heated from 20°C to 60°C at constant volume. What is the final pressure?

NEET Physics — Thermodynamics

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How much heat is required to raise the temperature of \( 0.5 \, \text{kg} \) of aluminium from \( 25^\circ \text{C} \) to \( 55^\circ \text{C} \)? (Specific heat of aluminium = \( 900 \, \text{J kg}^{-1} \text{K}^{-1} \))

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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 10 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 Required, Temperature, Aluminium, Specific, Property, and Distinguishes.

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. How much heat is required to raise the temperature of \( 0.5 \, \text{kg} \) of aluminium from \( 25^\circ \text{C} \) to \( 55^\circ \text{C} \)? (Specific heat of aluminium = \( 900 \, \text{J kg}^{-1} \text{K}^{-1} \))

  • A. 12000 J
  • B. 13500 J
  • C. 15000 J
  • D. 16500 J

Q2. What property distinguishes intensive variables from extensive variables?

  • A. Dependence on temperature
  • B. Independence from system size
  • C. Variation with heat transfer
  • D. Dependence on work done

Q3. Which of the following statements is incorrect about internal energy?

  • A. It is a state function
  • B. It depends only on the system’s state
  • C. It includes the kinetic energy of the system as a whole
  • D. It can change due to heat or work

Q4. A gas expands adiabatically from \( 3 \, \text{atm} \) and \( 6 \, \text{L} \) to \( 1 \, \text{atm} \). What is the final volume? (\( \gamma = 1.4 \))

  • A. 10 L
  • B. 12.5 L
  • C. 14 L
  • D. 16 L

Q5. What happens to the temperature of an ideal gas during an adiabatic expansion?

  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Becomes zero

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