NEET Physics: Thermodynamics — MCQ Test 19

Q6. Why are most natural processes irreversible?

Q7. Which of the following statements is correct regarding the Kelvin-Planck statement?

Q8. What is the molar specific heat capacity at constant volume for a monatomic gas if \( R = 8.3 \, \text{J mol}^{-1} \text{K}^{-1} \)?

Q9. A system releases 700 J of heat and does 250 J of work. What is the change in internal energy?

Q10. Why is the work done path-dependent in thermodynamic processes?

NEET Physics — Thermodynamics

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A gas at \( 8 \, \text{atm} \) and \( 60^\circ \text{C} \) in a \( 7 \, \text{L} \) container is heated isochorically to \( 120^\circ \text{C} \). What is the final pressure?

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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 Container, Isochorically, Pressure, Characterized, Exchange, and Surroundings.

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. A gas at \( 8 \, \text{atm} \) and \( 60^\circ \text{C} \) in a \( 7 \, \text{L} \) container is heated isochorically to \( 120^\circ \text{C} \). What is the final pressure?

  • A. 9.0 atm
  • B. 9.4 atm
  • C. 10.0 atm
  • D. 10.5 atm

Q2. Which process is characterized by no heat exchange between the system and its surroundings?

  • A. Isothermal
  • B. Isobaric
  • C. Isochoric
  • D. Adiabatic

Q3. Which of the following statements is incorrect about irreversible processes?

  • A. They involve dissipative effects
  • B. They cannot be fully reversed
  • C. They occur in equilibrium at every stage
  • D. They are common in nature

Q4. Which of the following statements is correct about extensive variables?

  • A. They remain constant with size
  • B. They are path-dependent
  • C. They scale with system size
  • D. They define temperature

Q5. How much heat is required to vaporize \( 1.2 \, \text{g} \) of water at \( 100^\circ \text{C} \) and \( 1 \, \text{atm} \)? (Latent heat = \( 2256 \, \text{J/g} \))

  • A. 2500 J
  • B. 2707 J
  • C. 2900 J
  • D. 3100 J

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