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Thermal Properties of Matter — NEET & JEE Physics MCQs

30 questions written by hand against the NCERT chapter. Every wrong option is explained, not just the right one.

30questions
10/14/6easy / medium / hard
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Sample questions from this chapter

What is heat in thermodynamics?
  1. Energy transferred because of a temperature difference ✓
  2. The total internal energy permanently contained in a body
  3. A measure of the body's degree of hotness
  4. Matter flowing from a hotter body to a colder body
Answer: A. Heat is energy exchanged between systems solely because their temperatures differ.
Why not B: Internal energy is a state property; heat names energy in transit across a boundary.
Why not C: Temperature, not heat, quantifies hotness and determines the direction of transfer.
Why not D: Heat is energy transfer and does not require matter itself to cross the boundary.
What Kelvin temperature corresponds to 27.0 °C?
  1. 246 K
  2. 273 K
  3. 300 K ✓
  4. 327 K
Answer: C. T=27.0+273.15=300.15 K, which rounds to 300 K.
Why not A: This subtracts the Celsius reading from 273 instead of adding it.
Why not B: This ignores the stated 27.0-degree rise above zero Celsius.
Why not D: This adds 300 rather than 273.15 to the Celsius reading.
A 0.100 kg ice sample at 0 °C is placed in 0.500 kg water at 40.0 °C in an insulated vessel. Take c_water=4.20×10³ J kg⁻¹ K⁻¹ and L_f=3.36×10⁵ J kg⁻¹. What is the final temperature?
  1. 20.0 °C ✓
  2. 16.0 °C
  3. 24.0 °C
  4. 0 °C
Answer: A. Energy balance 0.5c(40−T)=0.1L_f+0.1cT gives T=20.0 °C.
Why not B: This cools the original water but omits the melted ice's heat capacity above 0 °C.
Why not C: This subtracts latent heat but divides only by the original water's thermal capacity.
Why not D: The warm water can supply more than the 33.6 kJ needed to melt all the ice.

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Read the chapter first

Every NCERT question in this chapter is solved, free: NCERT solutions — Thermal Properties of Matter →

Other NEET Physics chapters

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Questions

How many NEET and JEE questions are there on Thermal Properties of Matter?

This chapter test has 30 questions — 10 easy, 14 medium and 6 hard — all written against the NCERT Class 11 chapter.

Is this NEET and JEE Physics chapter test free?

Yes. Every chapter test is free with no login, and you get your all-India rank on every one. Nothing on the site is on sale right now.

Do the questions explain the wrong options?

Yes — every distractor carries its own explanation naming the specific misconception that makes a student pick it. That is the part most question banks skip, and it is the part that changes your next attempt.