NEET Physics: Thermal Properties of Matter — MCQ Test 1

Q6. During vaporization, what does the supplied heat primarily do to the liquid?

Q7. A silver rod of length \( 1 \, \text{m} \) at \( 10^\circ \text{C} \) is heated to \( 110^\circ \text{C} \). If its cross-sectional area increases by \( 0.0076 \, \text{cm}^2 \), what was its original area? (\( \alpha_l = 1.9 \times 10^{-5} \, \text{K}^{-1} \))

Q8. A \( 0.05 \, \text{kg} \) gold block at \( 1500^\circ \text{C} \) is placed in \( 0.6 \, \text{kg} \) water at \( 25^\circ \text{C} \) in a \( 0.1 \, \text{kg} \) copper calorimeter at \( 25^\circ \text{C} \). Find the final temperature. (Specific heat of gold = \( 134 \, \text{J kg}^{-1} \text{K}^{-1} \), water = \( 4186 \, \text{J kg}^{-1} \text{K}^{-1} \), copper = \( 386 \, \text{J kg}^{-1} \text{K}^{-1} \))

Q9. Why do blacksmiths heat an iron ring before fitting it onto a wooden wheel?

Q10. What is the Celsius temperature equivalent to \( 400 \, \text{K} \)?

NEET PhysicsThermal Properties of Matter

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A gas at \( 3.5 \, \text{atm} \) and \( 77^\circ \text{C} \) occupies \( 4.5 \, \text{L} \). If the temperature drops to \( 27^\circ \text{C} \) and volume increases to \( 6 \, \text{L} \), 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 Thermal Properties of Matter. 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 Occupies, Temperature, Increases, Pressure, Increase, and Increased.

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 \( 3.5 \, \text{atm} \) and \( 77^\circ \text{C} \) occupies \( 4.5 \, \text{L} \). If the temperature drops to \( 27^\circ \text{C} \) and volume increases to \( 6 \, \text{L} \), what is the final pressure?

  • A. 2.2 atm
  • B. 2.3 atm
  • C. 2.25 atm
  • D. 2.4 atm

Q2. A silver sheet has an area of \( 1.5 \, \text{m}^2 \) at \( 20^\circ \text{C} \). What is the increase in area when heated to \( 120^\circ \text{C} \)? (\( \alpha_l = 1.9 \times 10^{-5} \, \text{K}^{-1} \))

  • A. 0.0055 m²
  • B. 0.0056 m²
  • C. 0.0058 m²
  • D. 0.0057 m²

Q3. A gas occupies \( 4.2 \, \text{L} \) at \( 1.4 \, \text{atm} \) and \( 47^\circ \text{C} \). If the pressure is increased by \( 0.6 \, \text{atm} \) and temperature decreased by \( 20^\circ \text{C} \), what is the new volume?

  • A. 2.7 L
  • B. 2.8 L
  • C. 2.76 L
  • D. 2.9 L

Q4. A \( 0.15 \, \text{kg} \) copper block at \( 200^\circ \text{C} \) is dropped into \( 0.9 \, \text{kg} \) water at \( 15^\circ \text{C} \) in a calorimeter of mass \( 0.1 \, \text{kg} \) (specific heat = \( 386 \, \text{J kg}^{-1} \text{K}^{-1} \)). Find the final temperature. (Specific heat of copper = \( 386 \, \text{J kg}^{-1} \text{K}^{-1} \), water = \( 4186 \, \text{J kg}^{-1} \text{K}^{-1} \))

  • A. 17°C
  • B. 17.5°C
  • C. 17.8°C
  • D. 18°C

Q5. What happens to the volume of an ideal gas if its temperature is doubled at constant pressure?

  • A. It halves
  • B. It doubles
  • C. It remains unchanged
  • D. It triples

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