Thermal Properties of Matter Important Questions for NEET 2025 PDF

Thermal Properties of Matter Important Questions for NEET: Understanding Thermal Properties of Matter is important for NEET aspirants, as it explains how different substances react to heat. This topic plays a key role in solving physics problems in the exam and helps in building a strong foundation in the subject. Practicing questions on Thermal Properties of Matter helps in understanding concepts better, improving problem-solving skills, and increasing accuracy. Regular practice also builds confidence in solving related questions during the NEET exam.

Thermal Properties of Matter Important Questions for NEET Overview 

Thermal Properties of Matter deals with how substances react to heat energy. It includes concepts like heat transfer, thermal expansion, and specific heat capacity. Understanding these principles is vital for solving numerical problems in NEET. This topic is frequently asked in exams, making it important for students to practice questions related to it.

What are the Thermal Properties of Matter?

Thermal Properties of Matter refer to the characteristics of substances related to heat. These include:

• Heat Capacity & Specific Heat: Defines how much heat is needed to change the temperature of a substance.

• Thermal Expansion: Explains how materials expand when heated.

• Conduction, Convection, and Radiation: These are the three methods of heat transfer.

• Calorimetry: A technique to measure heat changes in different processes.

Practice Important Questions of Thermal Properties of Matter for NEET

To help students prepare, we have provided some important practice questions on Thermal Properties of Matter. These questions are a part of the Prachand Batch 2025 and have been designed to match the NEET exam pattern. Students can download the full PDF, which includes solutions to all questions. Additionally, each solution comes with a video explanation. To watch the video, scan the QR code provided below each solution in the PDF.

Q1 The temperature of a substance rises by 27°C.
The rise in temperature in Kelvin scale will be -

1. 300 K
2. 2.46 K
3. 27 K
4. 7 K

Q2 A solid metal cube has a spherical cavity. If the cube is heated, how will the volume of cube and cavity change respectively ?

1. Increase, increase
2. Decrease, decrease
3. Increase, decrease
4. Decrease, increase

Q3 To increase the length of brass rod by 2%, its temperature should increase by :
(Coefficient of linear expansion α = 0.00002°C⁻¹)

1. 800°C
2. 900°C
3. 1000°C
4. 1100°C

Q4 Assertion (A): Due to change in temperature if the length of a steel rod increases by 2% then its volume increases by 6%.
Reason (R): The coefficient of volume expansion of a solid is nearly two times its coefficient of linear expansion.

1. Both Assertion (A) and Reason (R) are true and the Reason (R) is the correct explanation of the Assertion (A).
2. Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of the Assertion (A).
3. Assertion (A) is true, Reason (R) is false.
4.  Assertion (A) is false, Reason (R) is true.

Q5 The steam point and the ice point of a mercury thermometer are marked as 80° and 10°. At what temperature on centigrade scale will the reading of this thermometer be 59° ?

1. 70°C
2. 60°C
3. 40°C
4. 50°C

Q6 Coefficient of linear expansion of brass and steel rods are α₁ and α₂. Lengths of brass and steel rods are l₁ and l₂ respectively. If (l₂ - l₁) is maintained same at all temperatures, which one of the following relations holds good?

1. α₁l₁ = α₂l₂
2. α₁l₂ = α₂l₁
3. α₁l₂² = α₂l₁²
4. α₂l₂² = α₁²l₁

Q7 Steam at 100°C is passed into 20 g of water at 10°C. When water acquires a temperature of 80°C, the mass of water present will be:
(Take specific heat of water = 1cal/g/°C and latent heat of steam = 540cal/g⁻¹)

1. 24 g
2. 31.5 g
3. 42.5 g
4. 22.5 g

Q8 Heat capacity of a substance is infinite. What does this mean ?

1.  Heat is given out.
2. Heat is taken in.
3. No change in temperature whether heat is taken in or given out.
4. Can’t say anything

Thermal Properties of Matter Important Questions for NEET PDF

For thorough preparation, students can download the Thermal Properties of Matter Important Questions PDF. This PDF includes a variety of conceptual and numerical questions along with detailed solutions. Practicing these questions will help students build confidence and improve their problem-solving abilities for the NEET exam.

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