NEET Physics: Thermal Properties of Matter — MCQ Test 12

Q6. How much heat is required to raise \( 0.6 \, \text{kg} \) of water from \( 25^\circ \text{C} \) to \( 75^\circ \text{C} \) and then convert \( 0.4 \, \text{kg} \) of it to steam at \( 100^\circ \text{C} \) in a \( 0.1 \, \text{kg} \) copper calorimeter initially at \( 25^\circ \text{C} \)? (Specific heat of water = \( 4186 \, \text{J kg}^{-1} \text{K}^{-1} \), copper = \( 386 \, \text{J kg}^{-1} \text{K}^{-1} \), latent heat of vaporization = \( 2.256 \times 10^6 \, \text{J kg}^{-1} \))

Q7. What defines the triple point of a substance?

Q8. A steel rod of length \( 50 \, \text{cm} \) at \( 20^\circ \text{C} \) is heated until its length increases by \( 0.03 \, \text{cm} \). What is the final temperature? (\( \alpha_l = 1.2 \times 10^{-5} \, \text{K}^{-1} \))

Q9. A steel sphere of radius \( 5 \, \text{cm} \) at \( 20^\circ \text{C} \) is heated to \( 120^\circ \text{C} \). What is the percentage increase in its volume? (\( \alpha_l = 1.2 \times 10^{-5} \, \text{K}^{-1} \))

Q10. Why does a metallic lid expand more than a glass jar when heated together?

NEET Physics — Thermal Properties of Matter

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Which temperature scale is based on the absolute minimum temperature where molecular activity theoretically ceases?

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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 Temperature, Absolute, Molecular, Activity, Theoretically, and Occupies.

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 temperature scale is based on the absolute minimum temperature where molecular activity theoretically ceases?

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

Q2. A gas occupies \( 3 \, \text{L} \) at \( 47^\circ \text{C} \) and \( 1.5 \, \text{atm} \). What will be its volume if the temperature drops to \( -23^\circ \text{C} \) and pressure increases to \( 3 \, \text{atm} \)?

  • A. 1.2 L
  • B. 1.17 L
  • C. 1.3 L
  • D. 1.1 L

Q3. What determines the final temperature when two objects of different temperatures are mixed in a calorimeter?

  • A. The volume of the objects
  • B. The pressure of the system
  • C. The material of the calorimeter
  • D. Conservation of heat energy

Q4. A \( 0.5 \, \text{kg} \) silver block at \( 240^\circ \text{C} \) is placed in \( 1.5 \, \text{kg} \) water at \( 21^\circ \text{C} \) in a \( 0.25 \, \text{kg} \) copper calorimeter at \( 21^\circ \text{C} \). What is the final temperature? (Specific heat of silver = \( 236 \, \text{J kg}^{-1} \text{K}^{-1} \), water = \( 4186 \, \text{J kg}^{-1} \text{K}^{-1} \), copper = \( 386 \, \text{J kg}^{-1} \text{K}^{-1} \))

  • A. 24°C
  • B. 25°C
  • C. 26°C
  • D. 23°C

Q5. A \( 0.1 \, \text{kg} \) iron block at \( 200^\circ \text{C} \) is dropped into \( 0.4 \, \text{kg} \) water at \( 30^\circ \text{C} \) in a \( 0.05 \, \text{kg} \) copper calorimeter at \( 30^\circ \text{C} \). Find the final temperature. (Specific heat of iron = \( 450 \, \text{J kg}^{-1} \text{K}^{-1} \), water = \( 4186 \, \text{J kg}^{-1} \text{K}^{-1} \), copper = \( 386 \, \text{J kg}^{-1} \text{K}^{-1} \))

  • A. 34°C
  • B. 34.4°C
  • C. 35°C
  • D. 33°C

+ 5 more questions in the actual test

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