This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Physics Part Ii > Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 9 (55 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Priya and Arjun are conducting a science experiment. They heat up a metal sphere and notice its mass doesn't change. Why does the mass of the sphere stay the same even after heating? A) Density increases. B) Volume increases but mass remains same. C) Expansion does not affect mass. D) Both B and C. Show Answer Correct Answer: D) Both B and C. 2. The gas constant ( R ) connects which three measurable quantities? A) Volume, pressure, and density. B) Pressure, volume, and temperature. C) Volume, energy, and force. D) Mass, volume, and time. Show Answer Correct Answer: B) Pressure, volume, and temperature. 3. When ice is melting inside the water, the temperature of the ice A) Remains constant. B) Increases. C) Decreases. D) None of the above. Show Answer Correct Answer: A) Remains constant. 4. A hot drink is left in a room which has a temperature of 20 degC. What happens to the drink in 10 minutes? A) Density becomes lower. B) Energy of particles become equal. C) Particles move more quickly. D) Internal energy becomes lower. Show Answer Correct Answer: D) Internal energy becomes lower. 5. Phase change where thermal energy is added. A) Condensation. B) Deposition. C) Freezing. D) Vaporization. Show Answer Correct Answer: D) Vaporization. 6. Substances with a high heat capacity A) Can raise the temperatures of other substances with low heat capacities. B) Need no thermal energy in order to raise their temperatures. C) Need a lot of thermal energy in order to raise their temperature. D) Need a little thermal energy in order to raise their temperatures. Show Answer Correct Answer: C) Need a lot of thermal energy in order to raise their temperature. 7. Internal kinetic energy is due to the A) Motion of particles. B) Forces between particles. C) Distance between particles. D) Stretching of bonds of particles. Show Answer Correct Answer: A) Motion of particles. 8. Mr Yeo is the most handsome and best physics teacher. True or False. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. When a solid melts to become liquid, which is true? A) The internal PE decreases. B) The internal KE increases. C) The internal PE increases. D) The internal KE decreases. Show Answer Correct Answer: C) The internal PE increases. 10. ..... is the change of state from liquid to vapour at any temperature. A) Melting. B) Evaporation. C) Condensation. D) Boiling. E) Freezing. Show Answer Correct Answer: B) Evaporation. 11. From the graph shown in the simulation, what do you observe about the temperature during the melting stage? A) The temperature increases. B) The temperature decreases. C) The temperature remains constant. D) None of the above. Show Answer Correct Answer: C) The temperature remains constant. 12. Why does a metal ball no longer pass through a ring after being heated? A) The ring expands more than the ball. B) The ball expands and becomes larger due to increased particle movement. C) The ball gains weight when heated, preventing it from passing through. D) The ball and ring both contract when heated. Show Answer Correct Answer: B) The ball expands and becomes larger due to increased particle movement. 13. Why sand heats up quickly than water?Select the statement which gives the best reason. A) Specific heat capacity of Sand is higher than water. B) Water boils at 100C. C) Specific heat capacity of Sand is lower than water. D) Sand is Solid and Water is a liquid. Show Answer Correct Answer: C) Specific heat capacity of Sand is lower than water. 14. Question 4Which statement best describes a metal experiencing thermal expansion? A) A The size of metal atoms increases. B) C The metal atoms change state. C) D The metal atoms gain enough energy to overcome the intermolecular forces of attraction holding them in place. D) B The space between the metal atoms increases. Show Answer Correct Answer: D) B The space between the metal atoms increases. 15. On a sunny day, why does a swimmer coming out of the sea soon feel cold? A) Water evaporates from the skin. B) Convection occurs in the air. C) Water is a good conductor of heat. D) Air is a bad conductor of heat. Show Answer Correct Answer: A) Water evaporates from the skin. 16. The amount of space an object takes up. A) Mass. B) Volume. C) Density. D) Mixture. Show Answer Correct Answer: B) Volume. 17. The internal kinetic energy of a substance increases when ..... A) It changes state from liquid to solid. B) It decreases in temperature. C) It increases in temperature. D) It changes state from solid to liquid. Show Answer Correct Answer: C) It increases in temperature. 18. Boyle's law is related with, A) Nothing is constant. B) Constant pressure. C) Constant temperature. D) Constant volume. Show Answer Correct Answer: C) Constant temperature. 19. Which statement about evaporation is correct? A) Evaporation causes the temperature of the remaining liquid to decrease. B) Evaporation does not occur from a cold liquid near its freezing point. C) Evaporation does not occur from a dense liquid, such as mercury. D) Evaporation occurs from all parts of a liquid. Show Answer Correct Answer: A) Evaporation causes the temperature of the remaining liquid to decrease. 20. What happens to the molecules in a solid as it gets hotter? A) Vibrate faster. B) Start vibrate. C) Vibrate slower. D) None of the above. Show Answer Correct Answer: A) Vibrate faster. 21. Which energy is directly related to the temperature of a substance? A) Potential energy. B) Kinetic energy. C) All the above. D) None of the above. Show Answer Correct Answer: B) Kinetic energy. 22. For a thermometer having LFP = 0$^\circ$ AND UFP = 80$^\circ$. if its reading on this temperature is 40$^\circ$ then calculate actual reading on celcius scale. A) 45. B) 40. C) 50. D) 52. Show Answer Correct Answer: C) 50. 23. The energy required per kilogram and per degree celsius to raise the temperature of a substances is called ..... A) Specific heat capacity. B) Specific heat. C) Specific latent heat. D) None of the above. Show Answer Correct Answer: A) Specific heat capacity. 24. Volume thermal expansion is the ..... of linear thermal expansion A) Triples. B) Four halves. C) Halves. D) Doubles. Show Answer Correct Answer: A) Triples. 25. Which state of matter has the fastest kinetic energy? A) Solids. B) Liquids. C) Gases. D) All matter has the same energy. Show Answer Correct Answer: C) Gases. 26. In 5.0s, 0.019kg of water is heated. The temperature of the water increases from 20 degree celcius to 72 degree celcius. The specific heat capacity of water is 4200 J/(kg oC).Calculate the thermal energy gained by the water in 5.0s. A) 4150 J. B) 4150 kJ. C) 1.53 J. D) 1.53 kJ. Show Answer Correct Answer: A) 4150 J. 27. Why does a bimetallic strip bend when heated? A) One metal expands more than the other, causing the strip to bend. B) Both metals expand equally, causing a uniform curve. C) The metals contract unevenly when heated. D) Heat causes the metals to separate slightly, making the strip bend. Show Answer Correct Answer: A) One metal expands more than the other, causing the strip to bend. 28. The transfer of heat energy by direct contact, or touch, is ..... ? A) Conduction. B) Greenhouse effect. C) Convection. D) Radiation. Show Answer Correct Answer: A) Conduction. 29. A piece of solid ice at-20 degree celcius is melted and boiled off completely. Given:Mass of Ice:500gSpecific Heat capacity of ice:420 J/kg$^\circ$CSpecific Latent heat of fusion of ice:500 J/kgSpecific Heat capacity of water:4200 J/kg$^\circ$CSpecific Latent heat of vaporisation of water:600 J/kgWhat is the thermal energy required? A) 214750 J. B) 2147500 J. C) 21475 J. D) 0.00000021475 J. Show Answer Correct Answer: A) 214750 J. 30. Which of the following statements is false regarding boiling? A) Boiling is relatively fast. B) Temperature remains constant. C) Bubbles are formed in the liquid. D) Boiling occurs at any temperature. Show Answer Correct Answer: D) Boiling occurs at any temperature. 31. Internal energy is made up of ..... A) Kinetic energy only. B) Potential energy only. C) Kinetic energy and potential energy. D) All sorts of energy. Show Answer Correct Answer: C) Kinetic energy and potential energy. 32. Which of the following characteristics of evaporation does not apply to the boiling of liquids? A) Evaporation takes place at the surface of liquids. B) During evaporation, liquids are converted into vapour. C) Evaporation occurs over a wide range of temperature. D) During evaporation, intermolecular bonds between liquid particles are broken. Show Answer Correct Answer: C) Evaporation occurs over a wide range of temperature. 33. Internal energy of a substance is the sum of A) Internal KE of all all particles in the substance. B) Internal KE and PE of all all particles in the substance. C) Internal KE and Thermal Energy of all all particles in the substance. D) Internal KE and Gravitational Energy of all all particles in the substance. Show Answer Correct Answer: B) Internal KE and PE of all all particles in the substance. 34. The sea breeze is caused by: A) Conduction. B) Convection. C) Radiation. D) None of these. Show Answer Correct Answer: B) Convection. 35. According to the Kinetic Molecular Theory, temperature is directly proportional to the gas molecules' ..... A) Kinetic energy. B) Pressure. C) Momentum. D) Potential energy. Show Answer Correct Answer: A) Kinetic energy. 36. Internal kinetic energy increases when A) Temperature decreases. B) Bonds between particles become weaker. C) Bonds between particles become stronger. D) Temperature increases. Show Answer Correct Answer: D) Temperature increases. 37. Specific latent heat of vaporisation is A) The amount of heat required to change 1 kg of the substance from the solid to liquid phase without change in temperature. B) The amount of heat required to change 1 kg of the substance from the liquid to gaseous phase without change in temperature. C) The amount of heat required to change the temperature 1 kg of the substance by 1 degree Celcius. D) None of the above. Show Answer Correct Answer: B) The amount of heat required to change 1 kg of the substance from the liquid to gaseous phase without change in temperature. 38. 10 litres of benzene weight A) More in summer than in winter. B) More in winter than in Summer. C) Equal in winter and summer. D) There is no relation between weight and volume of benzene. Show Answer Correct Answer: B) More in winter than in Summer. 39. Which statement describes what happens as ice at 0$^\circ$C starts to melt to become water? A) Energy is absorbed and the temperature remains constant. B) Energy is absorbed and the temperature rises. C) Energy is released and the temperature remains constant. D) Energy is released and the temperature rises. Show Answer Correct Answer: A) Energy is absorbed and the temperature remains constant. 40. The change of solid directly into gas is called: A) Sublimation. B) Deposition. C) Vaporization. D) Condensation. Show Answer Correct Answer: A) Sublimation. 41. These changes in state are called physical changes because ..... A) The process can be reversed. B) The process cannot be reversed. C) They are chemical reactions. D) None of the above. Show Answer Correct Answer: A) The process can be reversed. 42. Blocks of gold are made by pouring hot, molten gold into moulds. The gold cools to its melting point and begin to solidify.As it solidifies, its temperature[N12/1/9] & [N17/1/10] A) Decreases and energy is released from the gold. B) Decreases and no energy is released from the gold. C) Stays constant and energy is released from the gold. D) Stays constant and no energy is released from the gold. Show Answer Correct Answer: C) Stays constant and energy is released from the gold. 43. What happens to a thermal conductor when it touches a higher temperature object? A) Nothing happens, no energy is transferred. B) Thermal energy in the object increases very quickly. C) Thermal energy from the object is quickly transferred to the conductor. D) Thermal energy from the object is lost to the environment. Show Answer Correct Answer: C) Thermal energy from the object is quickly transferred to the conductor. 44. Explain why during melting, the temperature of the object stays constant A) Cause the thermal energy is used to break strong bonds between particles instead of using it to raise the temperature. B) Cause it's changing state. C) Cause the thermal energy is used to break weak bonds between particles instead of using it to raise the temperature. D) Cause the thermal energy is used to form strong bonds between particles instead of using it to raise the temperature. Show Answer Correct Answer: A) Cause the thermal energy is used to break strong bonds between particles instead of using it to raise the temperature. 45. The equation for calculating the energy involved in a substance being heated is Q = mC$\Delta$T. The quantity m has units of A) $^{o}$C. B) Kg. C) J/kg. D) G. Show Answer Correct Answer: B) Kg. 46. The temperature of a gas is increased. Which property of the gas must also increase? A) Pressure. B) Volume. C) Internal energy. D) Density. Show Answer Correct Answer: C) Internal energy. 47. A thermal conductor is a substance that A) Cannot conduct thermal energy. B) Can conduct any amount of thermal energy. C) Has a low thermal conductivity. D) Has a high thermal conductivity. Show Answer Correct Answer: D) Has a high thermal conductivity. 48. J of energy is required to increase the temperature of 2 kg of liquid by 4 $^\circ$C. What is the heat capacity of the liquid? A) 4500 J/K. B) 9000 J/K. C) 2250 J/K. D) 12 000 J/K. Show Answer Correct Answer: A) 4500 J/K. 49. Oscar and William are curious about why railway tracks have small gaps between them. Can you help them figure out why these expansion gaps are provided? A) To reduce friction. B) To allow thermal expansion. C) To increase strength. D) To reduce heat loss. Show Answer Correct Answer: B) To allow thermal expansion. 50. Boiling occurs at (1) while evaporation occurs at (2) A) Throughout the liquid; surface of liquid. B) Surface of the liquid; throughout the liquid. C) All the above. D) None of the above. Show Answer Correct Answer: A) Throughout the liquid; surface of liquid. 51. A heater supplies 80 J of energy to a block of metal. The temperature of the metal increases by 20 degC. What happens to the internal energy of the same block when its temperature falls by 10 degC? A) Increase by 40 J. B) Increase by 160 J. C) Decrease by 40 J. D) Decrease by 160 J. Show Answer Correct Answer: C) Decrease by 40 J. 52. When solid changes to liquid A) Internal PE increases. B) Internal PE decreases. C) Internal KE decreases. D) Internal KE increases. Show Answer Correct Answer: A) Internal PE increases. 53. What is the difference between an endothermic and exothermic process? A) Endothermic processes release heat; exothermic processes absorb heat. B) Endothermic processes involve light; exothermic processes involve sound. C) Endothermic processes absorb heat; exothermic processes release heat. D) Endothermic processes create energy; exothermic processes destroy energy. Show Answer Correct Answer: C) Endothermic processes absorb heat; exothermic processes release heat. 54. Two marks on a glass rod 10 cm apart are found to increase their distance by 0.08 mm when the rod is heated from 0$^\circ$C to 100$^\circ$C. A flask made of the same glass as that of rod measures a volume of 1000 cc at 0$^\circ$C. The volume it measures at 100$^\circ$C in cc is A) 1008.2. B) 1006.4. C) 1002.4. D) 1004.2. Show Answer Correct Answer: C) 1002.4. 55. What is meant by the boiling point of a liquid [N13/1/9] A) The place in a liquid where both liquid and gas exist together. B) The place in a liquid where it starts to bubble. C) The temperature at which it begins to evaporate. D) The temperature at which it can exist as both liquid and gas. Show Answer Correct Answer: D) The temperature at which it can exist as both liquid and gas. ← PreviousRelated QuizzesScience QuizzesClass 11 QuizzesClass 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 1Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 2Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 3Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 4Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 5Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 6Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 7Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books