NEET Physics: Thermodynamics — MCQ Test 6

Q6. 0.2 moles of an ideal gas expand isothermally at 350 K from 4 L to 10 L. What is the heat absorbed? (\( R = 8.3 \, \text{J mol}^{-1} \text{K}^{-1} \))

Q7. How much heat is required to raise the temperature of \( 0.3 \, \text{kg} \) of silver from \( 35^\circ \text{C} \) to \( 65^\circ \text{C} \)? (Specific heat of silver = \( 236.1 \, \text{J kg}^{-1} \text{K}^{-1} \))

Q8. An ideal gas expands isothermally at \( 380 \, \text{K} \) from \( 5 \, \text{L} \) to \( 15 \, \text{L} \) with \( 0.25 \, \text{moles} \). What is the work done by the gas? (\( R = 8.3 \, \text{J mol}^{-1} \text{K}^{-1} \))

Q9. Which of the following statements is correct about the Second Law of Thermodynamics?

Q10. How many joules are equivalent to \( 300 \, \text{cal} \) of heat? (1 cal = \( 4.186 \, \text{J} \))

NEET Physics — Thermodynamics

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How much heat is required to vaporize \( 0.7 \, \text{g} \) of water at \( 100^\circ \text{C} \) and \( 1 \, \text{atm} \)? (Latent heat = \( 2256 \, \text{J/g} \))

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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, Vaporize, Undergoes, Isothermal, Expansion, and Temperature.

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 vaporize \( 0.7 \, \text{g} \) of water at \( 100^\circ \text{C} \) and \( 1 \, \text{atm} \)? (Latent heat = \( 2256 \, \text{J/g} \))

  • A. 1400 J
  • B. 1579 J
  • C. 1700 J
  • D. 1800 J

Q2. A gas undergoes an isothermal expansion at \( 300 \, \text{K} \) from a volume of \( 2 \, \text{L} \) to \( 6 \, \text{L} \). If the number of moles of the gas is \( 0.1 \), what is the work done by the gas? (Take \( R = 8.3 \, \text{J mol}^{-1} \text{K}^{-1} \))

  • A. 250 J
  • B. 274 J
  • C. 300 J
  • D. 320 J

Q3. How much heat is required to raise the temperature of \( 0.25 \, \text{kg} \) of tungsten from \( 25^\circ \text{C} \) to \( 55^\circ \text{C} \)? (Specific heat of tungsten = \( 134.4 \, \text{J kg}^{-1} \text{K}^{-1} \))

  • A. 900 J
  • B. 1008 J
  • C. 1100 J
  • D. 1200 J

Q4. A system absorbs \( 690 \, \text{J} \) of heat and has \( 210 \, \text{J} \) of work done on it. What is the change in internal energy?

  • A. 800 J
  • B. 900 J
  • C. 950 J
  • D. 1000 J

Q5. How many calories are equivalent to \( 836 \, \text{J} \) of heat? (1 cal = \( 4.186 \, \text{J} \))

  • A. 180 cal
  • B. 200 cal
  • C. 220 cal
  • D. 240 cal

+ 5 more questions in the actual test

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