NEET Physics: Thermal Properties of Matter — MCQ Test 7

Q6. A steel plate has an area of \( 1.2 \, \text{m}^2 \) at \( 45^\circ \text{C} \). What is the decrease in area when cooled to \( 5^\circ \text{C} \)? (\( \alpha_l = 1.2 \times 10^{-5} \, \text{K}^{-1} \))

Q7. Which material is preferred as a coolant in radiators due to its high capacity to absorb heat?

Q8. How much heat is required to raise \( 0.5 \, \text{kg} \) of water from \( 20^\circ \text{C} \) to \( 80^\circ \text{C} \) and then convert \( 0.2 \, \text{kg} \) of it to steam at \( 100^\circ \text{C} \)? (Specific heat of water = \( 4186 \, \text{J kg}^{-1} \text{K}^{-1} \), latent heat of vaporization = \( 2.256 \times 10^6 \, \text{J kg}^{-1} \))

Q9. A gas at \( 300 \, \text{K} \) and \( 1 \, \text{atm} \) occupies \( 3 \, \text{L} \). If it is heated to \( 450 \, \text{K} \) while the volume is adjusted to \( 4.5 \, \text{L} \), what is the final pressure?

Q10. A gas at \( 2.8 \, \text{atm} \) and \( 97^\circ \text{C} \) occupies \( 3.8 \, \text{L} \). If the temperature is raised to \( 147^\circ \text{C} \) and volume reduced to \( 2.5 \, \text{L} \), what is the final pressure?

NEET Physics — Thermal Properties of Matter

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Which property of a material explains why sand heats up faster than water under the same sunlight?

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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 Property, Material, Explains, Sunlight, Cylinder, 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. Which property of a material explains why sand heats up faster than water under the same sunlight?

  • A. Specific heat capacity
  • B. Latent heat
  • C. Density
  • D. Thermal expansion

Q2. A copper cylinder has a volume of \( 500 \, \text{cm}^3 \) at \( 50^\circ \text{C} \). What temperature must it be cooled to for the volume to decrease by \( 0.85 \, \text{cm}^3 \)? (\( \alpha_l = 1.7 \times 10^{-5} \, \text{K}^{-1} \))

  • A. 16°C
  • B. 17°C
  • C. 16.5°C
  • D. 16.7°C

Q3. Which scale measures temperature relative to the freezing and boiling points of water with 180 intervals between them?

  • A. Kelvin
  • B. Celsius
  • C. Fahrenheit
  • D. Centigrade

Q4. What is the primary factor affecting the volume expansion of a gas compared to solids and liquids?

  • A. Density
  • B. Specific heat
  • C. Pressure
  • D. Coefficient of volume expansion

Q5. A \( 0.45 \, \text{kg} \) copper block at \( 200^\circ \text{C} \) is placed in \( 1.1 \, \text{kg} \) water at \( 23^\circ \text{C} \) in a \( 0.2 \, \text{kg} \) brass calorimeter at \( 23^\circ \text{C} \). What is the final temperature? (Specific heat of copper = \( 386 \, \text{J kg}^{-1} \text{K}^{-1} \), water = \( 4186 \, \text{J kg}^{-1} \text{K}^{-1} \), brass = \( 386 \, \text{J kg}^{-1} \text{K}^{-1} \))

  • A. 29.3°C
  • B. 29°C
  • C. 30°C
  • D. 28°C

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