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 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... is placed in long sealed capillary tube in thermometer. A) Silver. B) Mercury. C) Water. D) Benzene. Show Answer Correct Answer: B) Mercury. 2. A quantity of heat required to change the unit mass of a solid substance, from solid state to liquid state, while the temperature remains constant, is known as A) Latent heat of fusion. B) Latent heat. C) Hoar frost. D) Sublimation. Show Answer Correct Answer: A) Latent heat of fusion. 3. When a liquid evaporates, A) Its temperature increases. B) Its temperature decreases. C) Its temperature stays the same. D) None of the above. Show Answer Correct Answer: B) Its temperature decreases. 4. Heat is transmitted from higher temperature to lower temperature through actual motion of molecules in A) Conduction. B) Convection. C) Radiation. D) None. Show Answer Correct Answer: B) Convection. 5. From the graph shown in the simulation, what do you observe about the temperature when the liquid molecules are below the melting point? A) The temperature increases. B) The temperature decreases. C) The temperature remains constant. D) None of the above. Show Answer Correct Answer: B) The temperature decreases. 6. From the graph shown in the simulation, what do you observe about the temperature when the gas molecules are above the boiling point? A) The temperature increases. B) The temperature decreases. C) The temperature remains constant. D) None of the above. Show Answer Correct Answer: B) The temperature decreases. 7. Coefficient of expansion per degree centigrade of steel is ..... A) 11 X 10$^{-6}$. B) 19 X 10$^{-6}$. C) 25 X 10$^{-6}$. D) 17 X 10$^{-6}$. Show Answer Correct Answer: A) 11 X 10$^{-6}$. 8. When the surface area of the liquid is expose, the rate of evaporation increases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. What is the amount of heat required to cause a unit mass of any substance to change its temperature by 1 $^\circ$C? A) Kinetic energy. B) Radiant energy. C) Temperature. D) Specific heat capacity. Show Answer Correct Answer: D) Specific heat capacity. 10. Boiling is the process that converts from a liquid to gaseous state, at temperature below boiling point of a substance A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. Question 7In order to calibrate a degrees Celsius thermometer, the lowest fixed point can be found by placing the thermometer in: A) A Melting ice with a large quantity of salt mixed in. B) D Pure melting ice. C) C Pure boiling water. D) B Pure distilled water. Show Answer Correct Answer: B) D Pure melting ice. 12. Thermal energy depends on which of the following factors? A) Mass. B) Temperature. C) State of the substance. D) All of the above. Show Answer Correct Answer: D) All of the above. 13. The freezing point of a substance is equal to its A) Evaporation point. B) Boiling point. C) Condensation point. D) Melting point. Show Answer Correct Answer: D) Melting point. 14. When water evaporates, what happens to its molecules? A) They escape from the surface. B) They attract each other more strongly. C) They collide more often with each other. D) They split up into several atoms. Show Answer Correct Answer: A) They escape from the surface. 15. The force acting normally per unit area of a surface body is called A) Density. B) Volume. C) Pressure. D) Mass. Show Answer Correct Answer: C) Pressure. 16. During the process of boiling, what happens to the temperature of water? A) It increases rapidly until all the water turns to steam. B) It remains constant while boiling continues. C) It decreases as steam forms. D) It depends on the amount of water present. Show Answer Correct Answer: B) It remains constant while boiling continues. 17. What happens to the pressure of a gas if the temperature is doubled while volume remains constant? A) Pressure doubles. B) Pressure decreases. C) Pressure becomes half. D) Pressure remains the same. Show Answer Correct Answer: A) Pressure doubles. 18. When particles collide with each other they ..... A) Transfer kinetic energy. B) Stop completely still. C) Become smaller. D) Lose all their energy. Show Answer Correct Answer: A) Transfer kinetic energy. 19. The potential component of the internal energy is related to ..... A) Change of state. B) Temperature. C) All the above. D) None of the above. Show Answer Correct Answer: A) Change of state. 20. When the surrounding air is more humid, the rate of evaporation increases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. Babies are sponged with water when they have a high fever.During sponging, a layer of cool water is left on the skin. The cool water ..... thermal energy from the hot body as it evaporates and increases its ..... This results in the body being cooled. A) Gains, internal kinetic energy. B) Gains, internal potential energy. C) Loses, internal potential energy. D) Loses, internal kinetic energy. Show Answer Correct Answer: B) Gains, internal potential energy. 22. When temperature of a liquid increases from 20 to 50 degrees, which of the following increases? A) External KE. B) Internal PE. C) Mass of the liquid. D) Internal KE. E) External PE. Show Answer Correct Answer: D) Internal KE. 23. Newton's law of cooling is applicable for A) Small excess of temperature over the surrounding. B) Large excess of temperature over the surrounding. C) There is no such law. D) Any excess of temperature over the surrounding. Show Answer Correct Answer: A) Small excess of temperature over the surrounding. 24. Why does the temperature of an object remain constant during melting? A) All thermal energy absorbed will be used to weaken the interatomic bonds between the particles. B) All thermal energy absorbed will be used to increase the speed of the particles in the object. C) Internal energy remains constant during melting. D) No thermal energy is absorbed during melting. Show Answer Correct Answer: A) All thermal energy absorbed will be used to weaken the interatomic bonds between the particles. 25. The process of heat transfer in which heat is transferred with actual migration of medium particles is known as (AFMC-94) A) Reflection. B) Convection. C) Radiation. D) Conduction. Show Answer Correct Answer: B) Convection. 26. The sprinkling of water reduces the temperature of the closed room A) The water has large latent heat of vaporization. B) The temperature of water is less than that of room. C) Water is bad conductor of heat. D) Specific heat of water is high. Show Answer Correct Answer: A) The water has large latent heat of vaporization. 27. The energy required to change liquid water into water vapour at the same temperature is calledlatent heat of vaporisation.What does this energy do? A) It increases the average separation of the water molecules. B) It increases the average speed of the water molecules. C) It raises the temperature of the air near the water. D) It splits the water molecules into their separate atoms. Show Answer Correct Answer: A) It increases the average separation of the water molecules. 28. The kinetic component of the internal energy is related to ..... A) Change of state. B) Temperature. C) All the above. D) None of the above. Show Answer Correct Answer: B) Temperature. 29. We can read the clinical thermometer based on ..... and thermocouple. A) Thermistor. B) Thermometer. C) Thermocouple. D) None of the above. Show Answer Correct Answer: A) Thermistor. 30. Which one caries the sun energy A) Electromagnetic waves. B) Transverse waves. C) Compressional waves. D) None of the above. Show Answer Correct Answer: B) Transverse waves. 31. The temperature at which melting takes place is called the A) Condensation point. B) Freezing point. C) Melting point. D) Boiling point. Show Answer Correct Answer: C) Melting point. 32. Which of the following gas laws explains the behavior of a balloon rising in the atmosphere? A) Boyle's Law. B) Charles's Law. C) Avogadro's Law. D) Gay-Lussac's Law. Show Answer Correct Answer: B) Charles's Law. 33. Which phase of matter has the greatest molecular kinetic energy? A) Solid. B) Gas. C) Liquid. D) Plasma. Show Answer Correct Answer: D) Plasma. 34. What is the relationship between pressure and temperature in gases? A) Pressure and temperature in gases are directly proportional. B) Pressure and temperature in gases are inversely proportional. C) Pressure and temperature in gases are unrelated. D) Pressure increases as temperature decreases in gases. Show Answer Correct Answer: A) Pressure and temperature in gases are directly proportional. 35. A heater with a power rating of 500 W takes 45 seconds to melt a 2 kg block of mercury at-39 $^\circ$C.What is the specific latent heat of fusion of mercury? A) 22500 J/kg. B) 43875 J/kg. C) 11250 J/kg. D) 45000 J/kg. Show Answer Correct Answer: C) 11250 J/kg. 36. When ice melts to form water, what happens to the temperature during the melting process? A) It increases steadily until all the ice has melted. B) It stays the same until all the ice has melted. C) It decreases as the ice absorbs heat. D) It fluctuates depending on the room temperature. Show Answer Correct Answer: B) It stays the same until all the ice has melted. 37. Why are bridges built with rollers or expansion joints? A) To allow the bridge to expand and contract safely when the temperature changes. B) To make the bridge lighter and easier to build. C) To prevent vehicles from vibrating on the bridge. D) To stop heat from reaching the bridge surface. Show Answer Correct Answer: A) To allow the bridge to expand and contract safely when the temperature changes. 38. The ratio of Kelvin and Fahrenheit are ..... A) 5:4. B) 4:5. C) 5:9. D) 4:9. Show Answer Correct Answer: C) 5:9. 39. The motion energy of particles is called ..... A) Gravitational energy. B) Electrostatic energy. C) Connecting energy. D) Kinetic energy. Show Answer Correct Answer: D) Kinetic energy. 40. J of energy supplied to 10gm of water will raise its temperature by nearly: A) 1$^\circ$C. B) 10$^\circ$C. C) 4.2$^\circ$C. D) 42$^\circ$C. Show Answer Correct Answer: B) 10$^\circ$C. 41. When some of the liquid in a dish evaporates, the average speed of the molecules remaining in the dish will ..... A) Increase because the more energetic molecules have left. B) Decrease because the more energetic molecules have left. C) Remain unchanged because all molecules have about the same speed. D) Increase because there are fewer molecules. Show Answer Correct Answer: B) Decrease because the more energetic molecules have left. 42. Phase change from water vapour to liquid water is ..... A) Fusion. B) Condensation. C) Vaporisation. D) None of the above. Show Answer Correct Answer: B) Condensation. 43. The specific latent heat of vaporisation of water is 2200 kJ kg$^{-1}$, and the specific heat capacity of water is 4200 J kg$^{-1}$ K$^{-1}$. A heating element is immersed in an insulated cup of water. It takes five minutes to boil the water completely from an initial temperature of 30$^\circ$C. Assuming no heat is lost to the surroundings, determine the mass of the water if the heating element is operating at 1000 W. A) 1.1 g. B) 0.97 g. C) 64 g. D) 120 g. Show Answer Correct Answer: D) 120 g. 44. In the process of convection, energy is transferred ..... A) By the diffusion of molecules throughout a fluid. B) By the vibration of molecules. C) Because of temperature differences in a solid. D) Because of density differences in a liquid. Show Answer Correct Answer: D) Because of density differences in a liquid. 45. Muhammad, Anaya, and Aarav are doing a science experiment to find out which substance can absorb the most heat before getting hot. Which of the following do you think has the highest specific heat capacity? A) Copper. B) Aluminium. C) Water. D) Iron. Show Answer Correct Answer: C) Water. 46. Specific Heat Capacity of Aluminum is ..... A) 4.18 X 10$^{3}$. B) 2.4 X 10$^{2}$. C) 3.8 X 10$^{2}$. D) 9.2 X 10$^{2}$. Show Answer Correct Answer: D) 9.2 X 10$^{2}$. 47. Some ice is melting in a glass of water.Which is correct? A) The temperature of the ice increases. B) The internal energy of the ice increases. C) The internal energy of the water increases. D) None of the above. Show Answer Correct Answer: B) The internal energy of the ice increases. 48. Which one can radiation travel threw A) Water. B) Vacuum. C) House. D) None of the above. Show Answer Correct Answer: B) Vacuum. 49. G of ice at 0$^\circ$C is mixed with 540 g of water at 80$^\circ$C. The final temperature of the mixture is A) 40$^\circ$C. B) 79.9$^\circ$C. C) 80$^\circ$C. D) 0$^\circ$C. Show Answer Correct Answer: D) 0$^\circ$C. 50. Radiation does not require: A) Energy. B) A medium. C) Space. D) Heat. Show Answer Correct Answer: B) A medium. 51. When rubbed with ethanol the hand feels cold because ..... A) The temperature of the ethanol is lower than the body temperature. B) Ethanol on the skin prevents the loss of heat from the body. C) Thermal energy is transferred from ethanol to the body. D) Heat is removed from the body as ethanol evaporates. Show Answer Correct Answer: D) Heat is removed from the body as ethanol evaporates. 52. Noah and Emily are conducting a science experiment in class. They heat a gas at constant pressure and notice something interesting! Can you help them figure out which of the following remains constant during their experiment? A) Density. B) Temperature. C) Volume expansion coefficient. D) Volume. Show Answer Correct Answer: C) Volume expansion coefficient. 53. A faulty thermometer has its LFP marked as-10$^\circ$C and UFP as 110$^\circ$C. If the temperature of the body shown in this scale is 62$^\circ$C, What will be the temperature shown on the celsius scale? A) 60$^\circ$C. B) 62$^\circ$C. C) 52$^\circ$C. D) 50$^\circ$C. Show Answer Correct Answer: A) 60$^\circ$C. 54. Which statement is false about melting? A) Energy is given out to form bonds between particles. B) No change in the average kinetic energy of particles during melting. C) Energy is absorbed by substance from the surroundings. D) Change in state from solid to liquid. Show Answer Correct Answer: A) Energy is given out to form bonds between particles. 55. The ratio of Celsius scale is A) 4. B) 5. C) 9. D) None of the above. Show Answer Correct Answer: B) 5. 56. What happens to thermal energy when a hot object is placed in contact with a cold one? A) It transfers from the hot object to the cold one. B) It remains in the hot object. C) It disappears. D) It transfers from the cold object to the hot one. Show Answer Correct Answer: A) It transfers from the hot object to the cold one. 57. The rate of flow of heat per unit area per unit temperature gradient across a solid A) Coefficient of thermal conductivity. B) Regelation. C) Temperature gradient. D) Thermal expansion. Show Answer Correct Answer: A) Coefficient of thermal conductivity. 58. From the simulation, what do you observe about movement of the molecules as the temperature decreases from 150 $^\circ$C? A) The molecules move slower. B) The molecules move faster. C) The molecules move at the same speed. D) None of the above. Show Answer Correct Answer: A) The molecules move slower. 59. Why does a pure substance melt at a constant temperature? A) Negligible (i.e. very little) heat is absorbed during this process. B) All pure substances melt at 0$^\circ$C. C) The heat absorbed during melting is used to increase the kinetic energies of the particles, and not the temperature of the substance. D) The heat absorbed during melting is used to break the bonds between theparticles. Show Answer Correct Answer: D) The heat absorbed during melting is used to break the bonds between theparticles. 60. Two rods A and B are of equal length. Each rod has its ends at temperature T1, and T2 (T1, > T2). What is the condition that will ensure equal rates of flow through the rods A and B? A) $\frac{A_1}{A_2}=\frac{K_1}{K_2}$. B) $\frac{A_1}{A_2}=\frac{K_2}{K_1}$. C) $\frac{A_1}{A_2}=\frac{K_1^2}{K_2^2}$. D) NONE. Show Answer Correct Answer: B) $\frac{A_1}{A_2}=\frac{K_2}{K_1}$. ← 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 3Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 4Class 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