thermal properties of matter is an important topic in the Physics section in MHT CET exam. Practising this topic will increase your score overall and make your conceptual grip on MHT CET exam stronger.
This article gives you a full set of MHT CET PYQs for thermal properties of matter with explanations for effective preparation. Practice of MHT CET Physics PYQs including thermal properties of matter questions regularly will improve accuracy, speed, and confidence in the MHT CET 2026 exam.
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MHT CET PYQs for thermal properties of matter with Solutions
1.
Newton's law of cooling holds good only, if the temperature difference between the body and the surroundings is- less than 10$^{\circ}$C
- more than 10$^{\circ}$C
- less than 100$^{\circ}$C
- more than 100$^{\circ}$C
2.
Two spheres ‘S1’ and ‘S2’ have same radii but temperatures are ‘T1’ and ‘T2’ respectively. Their emissive power is same and emissivity is in the ratio 1 : 4. Then the ratio ‘T1’ to‘T2’ is
- 1 : 2
- 2 : 1
- √2 : 1
- 1 : √2
3.
The coefficient of linear expansion of brass and steel rod are ‘α1’ and ‘α2’ respectively. 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 relation is correct?
α1l2 = α2l1
l1α1=l2α2
α1l22=α2l12
α12l2=α22l1
4.
A copper block of mass 2 kg is heated from 20°C to 100°C. If the specific heat capacity of copper is \( 400 \, \text{J/kg°C} \), how much heat energy is absorbed by the block? (Assume no phase change occurs.)- \( 6400 \, \text{J} \)
- \( 16000 \, \text{J} \)
- \( 32000 \, \text{J} \)
- \( 64000 \, \text{J} \)
5.
A 200 g sample of water at 80°C is mixed with 100 g of water at 20°C. Assuming no heat loss to the surroundings, what is the final temperature of the mixture?- \( 50^\circ \text{C} \)
- \( 60^\circ \text{C} \)
- \( 55^\circ \text{C} \)
- \( 45^\circ \text{C} \)
6.
For an opaque body coefficient of transmission is- zero
- $ 1 $
- $ 0.5 $
- $ \infty $
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