Class 11 Physics — Chapter 11: Thermal Properties of Matter Online Test

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Class 11 Physics: Thermal Properties of Matter Online Test (Paper 1)

Welcome to Paper 1! This is your foundation to build confidence and get you ready to tackle the challenges ahead.

  • Total Questions: 20
  • Time Allotted: 30 minutes
  • Passing Score: 40%
  • Randomization: No
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 20

1. A blackbody emits maximum radiation at wavelength . Calculate the temperature of the blackbody.

2 / 20

2. How do detergents remove oil and grease stains from clothes?

3 / 20

3. A soil pore of radius retains water with surface tension . Calculate height of capillary rise ().

4 / 20

4. A cavitation bubble of radius in water has surface tension . Find excess pressure inside.

5 / 20

5. A soap bubble of radius has surface tension . Find the excess pressure inside it.

6 / 20

6. If the angle of contact , what will be the value of ?

7 / 20

7. A cubic centimeter of water splits into spherical droplets. If surface tension of water is , estimate the increase in surface energy. (Take density = ).

8 / 20

8. Which of the following is NOT an example of capillary action?

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9. Which of the following is the correct statement of Bernoulli’s principle?

10 / 20

10. What does a Reynolds number greater than 3000 usually indicate?

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11. For water at (), flowing at in a pipe of diameter , calculate .

12 / 20

12. A submarine moves at in seawater (). If its length is , calculate Reynolds number.

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13. Water of density flows with velocity in a pipe of diameter . If viscosity is , calculate the Reynolds number.

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14. Oil of density and viscosity flows through a pipe of diameter at velocity . Calculate Reynolds number.

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15. A water droplet of radius falls through air. If viscosity of air is and density of water is , while air density is , find its terminal velocity.

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16. A pollen grain of radius has density . If it falls in air (), calculate its terminal velocity. ()

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17. In sedimentation analysis, particle size can be determined by measuring:

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18. A dust particle of radius and density settles in air of viscosity . Find its terminal velocity. ()

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19. If the atmospheric pressure is of Hg, the corresponding pressure in Pascal is approximately:

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20. What happens to atmospheric pressure as altitude increases?

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Class 11 Physics: Thermal Properties of Matter Online Test (Paper 2)

Welcome to Paper 2! You’ve mastered the basics, and now it’s time to test your understanding with a more challenging set of questions.

Get new questions on each attempt

  • Total Questions: 30
  • Time Allotted: 45 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 30

1. The cabin of an aircraft flying at very high altitudes is pressurized because:

2 / 30

2. What is the angle of contact?

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3. In materials processing, why is molten metal casting strongly influenced by surface tension?

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4. A blood vessel of diameter carries blood at velocity . Density of blood is , and viscosity is . Find the Reynolds number.

5 / 30

5. Which statement correctly explains why hydraulic machines are widely used?

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6. Terminal velocity of raindrops is important because:

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7. Why do liquids form a free surface while gases do not?

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8. What is the main role of detergents in cleaning?

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9. Viscosity in gases arises mainly due to:

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10. The excess pressure inside a spherical liquid drop of radius is given by:

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11. The terminal velocity of a small spherical particle falling through a viscous fluid is given by:

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12. A detergent solution has critical micelle concentration (CMC) at . What happens when concentration is increased beyond this point?

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13. How does atmospheric pressure vary with height above the Earth’s surface?

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14. A hydraulic lift is designed such that a force of is applied on a piston of area . If the area of the large piston is , find the load lifted.

15 / 30

15. Why can terminal velocity never be reached in vacuum?

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16. A water droplet of radius falls through air. If viscosity of air is and density of water is , while air density is , find its terminal velocity.

17 / 30

17. What is the critical Reynolds number for flow in a cylindrical tube?

18 / 30

18. What is capillary action?

19 / 30

19. Stokes’ law gives the expression for:

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20. At what depth in water will the pressure be equal to three times the atmospheric pressure? ()

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21. What happens to the surface tension of water as it approaches its critical temperature?

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22. Why do soap bubbles show rainbow-like colors?

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23. What happens to atmospheric pressure as altitude increases?

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24. How do detergent molecules reduce surface tension?

25 / 30

25. Blood is an example of:

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26. Why do mountaineers carry oxygen cylinders at high altitudes?

27 / 30

27. Which of the following does NOT influence the laminar-to-turbulent transition directly?

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28. Which of the following describes Bingham plastics (a type of non-Newtonian fluid)?

29 / 30

29. The effect of pressure on the viscosity of gases at moderate pressure is:

30 / 30

30. Which medical device works on the principle of the Venturi effect?

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Class 11 Physics: Thermal Properties of Matter Online Test (Paper 3)

Welcome to Paper 3! You’ve warmed up—now it's time to step up your game and conquer the challenge with tougher questions!

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  • Total Questions: 50
  • Time Allotted: 75 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 50

1. The formation of tiny mist droplets from a spray bottle is due to:

2 / 50

2. How do thermal properties of matter help in meteorology?

3 / 50

3. In blood circulation, Reynolds numbers are typically less than 1000. What does this imply?

4 / 50

4. A liquid rises to a height in a capillary tube. If angle of contact is , the expression becomes:

5 / 50

5. Why does mercury not spread on glass but form spherical drops instead?

6 / 50

6. Which of the following is a limitation of Stokes’ law?

7 / 50

7. Bernoulli’s equation is derived from which fundamental law of physics?

8 / 50

8. Streamline flow is also known as:

9 / 50

9. How does atmospheric pressure vary with height above the Earth’s surface?

10 / 50

10. Hydraulic systems work on the principle of:

11 / 50

11. Mercury in a glass capillary tube shows depression instead of rise because:

12 / 50

12. In pipe flow, if the velocity is doubled while keeping density, viscosity, and diameter constant, Reynolds number will:

13 / 50

13. Which assumption is made in the derivation of Stokes’ law?

14 / 50

14. The SI unit of temperature is:

15 / 50

15. Which of the following statements is TRUE regarding angle of contact?

16 / 50

16. A cavity radiator at emits maximum radiation at wavelength . If temperature increases to , the new peak wavelength will be:

17 / 50

17. Which statement is TRUE about streamline and turbulent flow?

18 / 50

18. Why does terminal velocity increase with particle radius?

19 / 50

19. Why does paint spread better on a surface treated with primer?

20 / 50

20. Why does the roof of a house lift off during a cyclone, explained using Venturi effect?

21 / 50

21. What is the relation between surface energy and surface tension?

22 / 50

22. Why are streamlined shapes used in aerodynamics?

23 / 50

23. Which physical quantity is measured using a thermometer?

24 / 50

24. In a Newtonian fluid, the shear stress is related to the velocity gradient as:

25 / 50

25. Which statement best summarizes flow regimes based on Reynolds number?

26 / 50

26. Why is Stokes’ law not valid for larger spheres moving rapidly through a fluid?

27 / 50

27. If the atmospheric pressure is of Hg, the corresponding pressure in Pascal is approximately:

28 / 50

28. Which of the following household devices is an application of the Venturi effect?

29 / 50

29. Terminal velocity of a particle is proportional to:

30 / 50

30. A rod of length , cross-sectional area , and thermal conductivity is conducting a steady heat current of . Find the temperature difference between its ends.

31 / 50

31. In Bernoulli’s derivation, dividing energy terms by gives:

32 / 50

32. Why does adding soap make water bubbles more stable and colorful?

33 / 50

33. A raindrop of radius falls in air of viscosity . If , , calculate its terminal velocity. ()

34 / 50

34. In industrial pipeline design, turbulent regime is often preferred for transporting gases because:

35 / 50

35. Why do small liquid drops tend to be spherical in shape?

36 / 50

36. Which of the following correctly shows the physical significance of Bernoulli’s equation?

37 / 50

37. Which of the following correctly represents one Pascal?

38 / 50

38. What is the SI unit of surface tension?

39 / 50

39. How does temperature generally affect the viscosity of liquids?

40 / 50

40. Which device is commonly used to measure the pressure of a gas in a closed container?

41 / 50

41. A hydraulic lift is designed such that a force of is applied on a piston of area . If the area of the large piston is , find the load lifted.

42 / 50

42. Mercury in a glass tube shows a convex meniscus because:

43 / 50

43. Which of the following best represents a real-life example of turbulent flow?

44 / 50

44. In surface chemistry, adsorption of gases on solids is influenced by:

45 / 50

45. Why can terminal velocity never be reached in vacuum?

46 / 50

46. Which of the following best distinguishes a liquid from a gas?

47 / 50

47. What is viscosity in fluids?

48 / 50

48. The height of water rise in soil is inversely proportional to:

49 / 50

49. A liquid film of area has surface tension . Find its surface energy if it has two free surfaces.

50 / 50

50. In the derivation of Bernoulli’s equation, pressure energy per unit volume is expressed as:

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Practice Thermal Properties of Matter MCQs
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Class 11 Physics — Chapter 11: Thermal Properties of Matter Online Test

The Thermal Properties of Matter Online Test for Class 11 Physics helps students understand how heat affects the physical properties of substances. This chapter is all about learning the science behind expansion, temperature measurement, heat transfer, and change of state. Many students read the formulas but struggle when it comes to applying them in numerical problems. This test is made to solve exactly that issue — through exam-style MCQs that strengthen your logic and speed.

These online tests are fully based on the NCERT Class 11 Physics Chapter 11 — Thermal Properties of Matter and follow the latest CBSE syllabus. The test papers are interactive, time-bound, and auto-checked. Whether you are revising for school exams or preparing for JEE and NEET Physics, this chapter-wise test will make concepts like specific heat capacity, calorimetry, thermal expansion, and heat transfer crystal clear.

Students often find thermal physics tricky because it mixes theory with mathematical reasoning. This Thermal Properties of Matter Online Test helps you develop both conceptual clarity and numerical accuracy. Every time you attempt, you will gain a better sense of how heat behaves in solids, liquids, and gases — and how to use equations practically in problems.

About this Online Test

The Chapter 11 Online Test is divided into three papers designed to help you grow from beginner to advanced level. Each paper focuses on accuracy, concept building, and exam-like pressure.

  • Paper 1 — Concept Check: 20 questions · 30 min · Pass ≥ 40%
  • Paper 2 — Mixed Practice: 30 questions · 45 min · Pass ≥ 50% · Fresh set every attempt
  • Paper 3 — Final Challenge: 50 questions · 75 min · Pass ≥ 70% · Certificate on pass

Papers 2 and 3 provide new question sets every time you attempt, while Paper 1 remains constant for fundamental revision. Each test is auto-evaluated and includes full answer review after completion.

Key Topics Covered (Thermal Properties of Matter)

  • Temperature and heat — concepts and difference
  • Thermal expansion — linear, area, and volume expansion
  • Specific heat capacity and calorimetry
  • Change of state — latent heat of fusion and vaporization
  • Anomalous expansion of water
  • Heat transfer mechanisms — conduction, convection, and radiation
  • Newton’s law of cooling and its applications
  • Thermal conductivity and real-life examples

Why You Should Attempt This Test

Thermal Physics is a high-scoring topic once concepts are clear. This online test helps you build confidence by revising both definitions and numerical problems. It allows you to:

  • Strengthen formula-based understanding of heat and temperature
  • Revise all key concepts through timed tests
  • Identify weak areas instantly with automatic scoring
  • Develop speed and accuracy for board and competitive exams
  • Access free and unlimited practice without login

Who Should Take This Test

  • CBSE/NCERT Class 11 students revising Chapter 11
  • JEE and NEET aspirants focusing on Thermodynamics and Heat Transfer
  • Students who want to improve their numerical solving skills
  • Teachers using it as a ready-to-use chapter quiz for class practice

Preparation Tips for Chapter 11 — Thermal Properties of Matter

  • Learn all expansion coefficients and their relations (α, β, γ).
  • Practice calorimetry problems using the heat balance principle.
  • Revise Newton’s law of cooling and related experimental questions.
  • Attempt Paper 1 for concept revision, then Paper 2 & 3 for timed testing.
  • After each test, check wrong answers carefully to avoid repeating mistakes.

Before You Start

  • Do not refresh or close the tab during the test.
  • Use latest Chrome or Edge browser for best results.
  • Ensure a stable internet connection for smooth submission.

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