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 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. During boiling, temperature A) Increases. B) May increase or decrease. C) Decreases. D) Remains the same. Show Answer Correct Answer: D) Remains the same. 2. Which is a condition necessary for heat transfer to occur? A) No contact. B) Temperature difference. C) No medium. D) Same temperature. Show Answer Correct Answer: B) Temperature difference. 3. During melting, thermal energy is A) Released to make the particles move faster. B) Released to make the particles move slower. C) Absorbed to break the strong bonds between particles. D) Released to strengthen the bonds between particles. Show Answer Correct Answer: C) Absorbed to break the strong bonds between particles. 4. A student heats 100 g of water from 20$^\circ$C to 40$^\circ$C. How much heat is absorbed? A) 8360 J. B) 418 J. C) 2090 J. D) 4180 J. Show Answer Correct Answer: A) 8360 J. 5. When two substances are in thermal contact, heat flows from the ..... temperature substance to the lower-temperature substance. A) Lower. B) Higher. C) Equal. D) None. Show Answer Correct Answer: B) Higher. 6. The ratio of thermal conductivity of two rods of different materials is 5:4. The two rods of same area of cross section and same thermal resistance will have lengths in the ratio A) 9:1. B) 5:4. C) 4:5. D) 1:9. Show Answer Correct Answer: B) 5:4. 7. When a gas is heated at constant pressure, what happens to its volume? A) The volume decreases because particles move slower. B) The volume remains the same because the pressure is constant. C) The volume increases as particles move faster and push the piston outward. D) The gas condenses into a liquid due to expansion. Show Answer Correct Answer: C) The volume increases as particles move faster and push the piston outward. 8. During melting and boiling, energy is ..... A) Absorbed to overcome intermolecular forces. B) Absorbed to allow the molecules to come closer together. C) Released to overcome intermolecular forces. D) Released to allow the molecules to come closer together. Show Answer Correct Answer: A) Absorbed to overcome intermolecular forces. 9. Phase change where thermal energy is removed. A) Vaporization. B) Condensation. C) Sublimation. D) Melting. Show Answer Correct Answer: B) Condensation. 10. The best ideal black body is A) Lamp of charcoal heated to high temperature. B) Metal coated with a black dye. C) Glass surface coated with coalter. D) Hollow enclosure blackened inside and having a small hole. Show Answer Correct Answer: D) Hollow enclosure blackened inside and having a small hole. 11. The internal kinetic energy of a substance depends on A) Intermolecular forces. B) How far apart the particles are. C) How fast the particles are moving. D) None of the above. Show Answer Correct Answer: C) How fast the particles are moving. 12. If the temperature of a black body increases from 7$^\circ$C to 287$^\circ$C, then the rate of energy radiation increases by A) 16. B) $\left(\frac{287}{7}\right)^4$. C) 4. D) 2. Show Answer Correct Answer: A) 16. 13. The volume of water in a beaker was 215 mL. After 5 days, the volume of the water was 200 mL. What best explains the change in volume? A) Some of the water absorbed the air. B) Some of the water evaporated and escaped into the air as water vapor. C) Some of the water disappeared. D) Some of the water was released due to condensation. Show Answer Correct Answer: B) Some of the water evaporated and escaped into the air as water vapor. 14. Why is Invar used with copper in a bimetallic strip? A) Invar expands much less than copper when heated, allowing controlled bending. B) Invar conducts heat faster than copper, preventing overheating. C) Invar has the same expansion rate as copper, ensuring stability. D) Invar melts easily and can fuse with copper. Show Answer Correct Answer: A) Invar expands much less than copper when heated, allowing controlled bending. 15. Which of the following is true when water is heated from 20$^{o}$C to 50$^{o}$C? A) Kinetics energy of the water particles increase. B) Potential energy of the water particle increases. C) Kinetics energy of the water particles decreases. D) Potential energy of the water particle decreases. Show Answer Correct Answer: A) Kinetics energy of the water particles increase. 16. A liquid turns into a gas. This occurs only at one particular temperature, and the change happens throughout the liquid.What is this process called? A) Evaporation. B) Boiling. C) Fusion. D) Condensation. Show Answer Correct Answer: B) Boiling. 17. Which factor increases the rate of evaporation? A) Lower temperature of surroundings. B) Lower humidity. C) Greater atmospheric pressure. D) Smaller surface area. Show Answer Correct Answer: B) Lower humidity. 18. If there is a change in temperature during the freezing/solidification of a substance, ..... A) The substance is a pure substance. B) There has been an error during the experiment. C) The substance is not a pure substance. D) There is not enough information to make a deduction. Show Answer Correct Answer: C) The substance is not a pure substance. 19. When bubbles are seen forming rapidly in water and the temperature of the water remains constant, A) The molecules of the water are moving further apart. B) The molecules of the water are moving faster. C) The molecules of the water are moving faster and further apart. D) None of the above. Show Answer Correct Answer: A) The molecules of the water are moving further apart. 20. The warmth you feel when you touch a hot surface is the ..... energy transferred by molecules in the surface to molecules in your fingers. A) Potential. B) Kinetic. C) Chemical. D) Nuclear. Show Answer Correct Answer: B) Kinetic. 21. Fill in the blank:Thermal equilibrium means there's no spontaneous net heat flow in ..... direction. A) One. B) Either. C) Downward. D) Upward. Show Answer Correct Answer: B) Either. 22. Mud houses are cooler in summer and warmer in winter because A) Mud is a good conductor of heat. B) Mud is superconductor of heat. C) Mud is a bad conductor of heat. D) None of the above. Show Answer Correct Answer: C) Mud is a bad conductor of heat. 23. In an adiabatic process, what happens to heat transfer? A) Heat increases. B) Heat decreases. C) No heat is transferred. D) Heat is constant. Show Answer Correct Answer: C) No heat is transferred. 24. Different amounts of energy are supplied to copper blocks of different masses. Which block experiences the greatest temperature change? A) Mass of block / kg:0.25Energy supplied / J:380. B) Mass of block / kg:0.80Energy supplied / J:1300. C) Mass of block / kg:0.10Energy supplied / J:150. D) Mass of block / kg:0.45Energy supplied / J:600. Show Answer Correct Answer: B) Mass of block / kg:0.80Energy supplied / J:1300. 25. Which state of matter has a fixed shape and volume and it's molecules move very slowly? A) Liquid. B) Solid. C) Gas. D) Plasma. Show Answer Correct Answer: B) Solid. 26. When thermal energy is increased in a solid, what change in state is happening? A) Evaporation. B) Freezing. C) Melting. D) Condensation. Show Answer Correct Answer: C) Melting. 27. Substances with high thermal conductivities transfer thermal energy ..... substances that have low thermal conductivities. A) Faster than. B) Into. C) Slower than. D) At the same speed as. Show Answer Correct Answer: A) Faster than. 28. When there is presence of moving air, the rate of evaporation decreases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 29. The temperature of a liquid drops during evaporation because A) Heat is conducted away to the environment. B) Heat is radiated away to the environment. C) The molecules with more energy escape into the environment as vapour, causing the average kinetic energy of the liquid molecules to drop. D) Of the temperature difference between the liquid and the environment. Show Answer Correct Answer: C) The molecules with more energy escape into the environment as vapour, causing the average kinetic energy of the liquid molecules to drop. 30. Evaporation is ..... A) A process which liquid turns into a gas at a temperature. B) A process which liquid turns into a gas at any temperature. C) All the above. D) None of the above. Show Answer Correct Answer: B) A process which liquid turns into a gas at any temperature. 31. PROCESS OF SUBLIMATION A) GAS TO GAS. B) VAPOUR/GAS TO SOLID. C) LIQUID TO GAS. D) GAS TO LIQUID. Show Answer Correct Answer: B) VAPOUR/GAS TO SOLID. 32. Bob wants to melt an object.The object with a mass of 2 kg was initially at 20$^\circ$C and has a melting point of 56$^\circ$C.Given that the object has a specific heat capacity of 400 J/kg$^\circ$C and a specific latent heat of fusion of 2.4 kJ/kg, how much energy does Bob need to completely melt the object? A) 28800 J. B) 4800 J. C) 33600 J. D) 49600 J. Show Answer Correct Answer: C) 33600 J. 33. During melting, temperature A) Decreases. B) Increases. C) Remains the same. D) May increase or decrease. Show Answer Correct Answer: C) Remains the same. 34. The reading of a Fahrenheit thermometer will be double that of a Celsius reading at A) 160$^\circ$C. B) 0$^\circ$C. C) -40$^\circ$C. D) 320$^\circ$C. Show Answer Correct Answer: A) 160$^\circ$C. 35. If a metal rod is heated, which of the following statements is true? A) The rod contracts as its molecules lose kinetic energy. B) The rod remains the same length due to its strong molecular bonds. C) The rod expands due to increased molecular motion. D) The rod loses heat and its temperature decreases. Show Answer Correct Answer: C) The rod expands due to increased molecular motion. 36. The bulb of a thermometer is wrapped in a tube of cotton fabric. The fabric is dipped into water at room temperature and left for some time. The thermometer wrapped in wet fabric is then removed and evaporation takes place. What happens to the thermometer reading? A) It falls. B) It remains unchanged. C) It rises. D) It rises and then falls. Show Answer Correct Answer: A) It falls. 37. Bob wants to heat up his cup of water from 20$^\circ$C to 45$^\circ$C.Given that the mass of his water is 400 g and the specific heat capacity is 4.2 kJ/kg$^\circ$C, how much thermal energy does Bob need to accomplish his task? A) 33 600 J. B) 420 000 J. C) 42 000 J. D) 42 000 000 J. Show Answer Correct Answer: C) 42 000 J. 38. Fill in the blank:To convert Celsius to Kelvin, use the formula K = C + ..... A) 373. B) 100. C) 0. D) 273. Show Answer Correct Answer: D) 273. 39. Boiling point is ..... A) The temperature where solid changes to liquid with a change in temperature. B) The temperature where liquid changes to gas with a change in temperature. C) The temperature where solid changes to liquid without a change in temperature. D) The temperature where liquid changes to gas without a change in temperatur. Show Answer Correct Answer: D) The temperature where liquid changes to gas without a change in temperatur. 40. A block of iron and a volume of water both with a mass of 2.0 kg are heated to the same temperature and then allowed to cool in a room. Why does the iron cool more quickly than the water? A) Iron has a lower specific heat capacity than water. B) Iron has a higher specific latent heat of fusion than water. C) Iron has a lower specific latent heat of fusion than water. D) Iron has a higher specific heat capacity than water. Show Answer Correct Answer: A) Iron has a lower specific heat capacity than water. 41. Which of the following is the application of Regelation? A) Thermal Stress. B) Pressure Cooker. C) Snow Skating. D) None of the above. Show Answer Correct Answer: C) Snow Skating. 42. A thermal insulator is a substance that A) Has a low thermal conducitivity. B) Cannot transfer energy. C) Can hold a lot of thermal energy. D) Cannot hold any thermal energy. Show Answer Correct Answer: A) Has a low thermal conducitivity. 43. Define latent heat and its importance in phase changes. A) Latent heat is essential for understanding energy transfer during phase changes, influencing weather patterns, and designing thermal systems. B) Latent heat is a measure of temperature change during phase transitions. C) Latent heat is irrelevant to phase changes and energy transfer. D) Latent heat only affects solid materials and not liquids or gases. Show Answer Correct Answer: A) Latent heat is essential for understanding energy transfer during phase changes, influencing weather patterns, and designing thermal systems. 44. A 500W heater is placed in a boiling liquid. It takes 10 minutes for 360g of the liquid to turn into a gas. All the thermal energy supplied by the heater is used to convert the liquid into gas. What is the specific latent heat of vaporisation of the liquid? A) 1.4 x 10$^{1}$ J/kg. B) 8.3 x 10$^{2}$ J/kg. C) 1.4 x 10$^{4}$ J/kg. D) 8.3 x 10$^{5}$ J/kg. Show Answer Correct Answer: D) 8.3 x 10$^{5}$ J/kg. 45. During evaporation, thermal energy is absorbed from the surrounding, and the temperature usually ..... A) Decreases. B) Remains constant. C) Increases. D) None of the above. Show Answer Correct Answer: A) Decreases. 46. The process in which the water changes from liquid to gas or vapor form is known as ..... A) Latent heat of fusion. B) Evaporation. C) Melting point. D) Latent heat of vaporization. Show Answer Correct Answer: B) Evaporation. 47. Thermal or Internal energy is consist of Internal kinetic energy and internal potential energy. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 48. Condensation is the process whereby a substance changes from ..... A) Liquid to gas. B) Solid to liquid. C) Liquid to solid. D) Gas to liquid. Show Answer Correct Answer: D) Gas to liquid. 49. When you are having fever, why does your mother sponge you with water? A) When the water evaporates it will remove heat from the surface of the skin. B) Water is a good conductor of heat. C) Water will help to heat up the body. D) Water will boil on the surface of the skin. Show Answer Correct Answer: A) When the water evaporates it will remove heat from the surface of the skin. 50. Which of the following terms refers to the change in state from a liquid to solid? A) Condensation. B) Freezing. C) Melting. D) Boiling. Show Answer Correct Answer: B) Freezing. 51. Which statements describe what happens as ice at 0 degree celcius 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. 52. Which of the following statements regarding specific heat capacity of a substance are correct? It depends on I. mass of substance. II. nature of substance. III. temperature of substance. IV. volume of substance. A) II and III. B) Only IV. C) I and II. D) III and IV. Show Answer Correct Answer: A) II and III. 53. A pan of water is put on an electric heater.What happens when the water is boiling? A) The heat stops going into the water. B) The temperature of the water rises more slowly than before. C) The heat goes into the water more quickly than before. D) The temperature of the water stops rising. Show Answer Correct Answer: D) The temperature of the water stops rising. 54. During boiling, you have A) Only gas particles. B) Only liquid particles. C) A mixture of gas and liquid particles. D) None of the above. Show Answer Correct Answer: C) A mixture of gas and liquid particles. 55. Which of the following always happens when a substance is heated? A) Temperature increases. B) Internal energy increases. C) Kinetic energy of particles increases. D) Potential energy of particles increases. Show Answer Correct Answer: B) Internal energy increases. 56. The earth intercepts approximately one billionth of the power radiated by the sun. if the surface temperature of the sun were to drop by a factor of 2, the average radiant energy incident on earth per second would reduce by factor of A) 4. B) 16. C) 2. D) 8. Show Answer Correct Answer: B) 16. 57. To measure how hot or cold something is called ..... A) Thermal. B) Thermometer. C) Temperature. D) None of the above. Show Answer Correct Answer: C) Temperature. 58. Expression for Thermal stress is ..... A) Y. $\Delta$. B) Y. L / $\Delta$. C) L . $\Delta$. D) None of the above. Show Answer Correct Answer: A) Y. $\Delta$. 59. Fill in the blank:When a substance is cooled, the particles in it move ..... A) More quickly. B) More slowly. C) In a circular motion. D) Randomly. Show Answer Correct Answer: B) More slowly. 60. According to KMT, gas molecules are: A) At rest. B) In constant, random motion. C) Fixed in one position. D) Moving only in one direction. Show Answer Correct Answer: B) In constant, random motion. ← PreviousNext →Related 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 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 8Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books