This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. 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. 3. 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$^{-6}$. 4. 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. 5. What is the amount of heat required to cause a unit mass of any substance to change its temperature by 1 $^\circ$C? A) Temperature. B) Kinetic energy. C) Radiant energy. D) Specific heat capacity. Show Answer Correct Answer: D) Specific heat capacity. 6. 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. 7. 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) B Pure distilled water. C) C Pure boiling water. D) D Pure melting ice. Show Answer Correct Answer: D) D Pure melting ice. 8. 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. 9. The freezing point of a substance is equal to its A) Melting point. B) Boiling point. C) Evaporation point. D) Condensation point. Show Answer Correct Answer: A) Melting point. 10. When water evaporates, what happens to its molecules? A) They split up into several atoms. B) They escape from the surface. C) They collide more often with each other. D) They attract each other more strongly. Show Answer Correct Answer: B) They escape from the surface. 11. The force acting normally per unit area of a surface body is called A) Mass. B) Pressure. C) Volume. D) Density. Show Answer Correct Answer: B) Pressure. 12. 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. 13. What happens to the pressure of a gas if the temperature is doubled while volume remains constant? A) Pressure decreases. B) Pressure doubles. C) Pressure remains the same. D) Pressure becomes half. Show Answer Correct Answer: B) Pressure doubles. 14. 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. 15. 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. 16. 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. 17. 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) Loses, internal kinetic energy. B) Loses, internal potential energy. C) Gains, internal kinetic energy. D) Gains, internal potential energy. Show Answer Correct Answer: D) Gains, internal potential energy. 18. When temperature of a liquid increases from 20 to 50 degrees, which of the following increases? A) Internal PE. B) Internal KE. C) External PE. D) External KE. E) Mass of the liquid. Show Answer Correct Answer: B) Internal KE. 19. 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. 20. 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. 21. The process of heat transfer in which heat is transferred with actual migration of medium particles is known as (AFMC-94) A) Conduction. B) Convection. C) Radiation. D) Reflection. Show Answer Correct Answer: B) Convection. 22. The sprinkling of water reduces the temperature of the closed room A) The water has large latent heat of vaporization. B) Water is bad conductor of heat. C) Specific heat of water is high. D) The temperature of water is less than that of room. Show Answer Correct Answer: A) The water has large latent heat of vaporization. 23. 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. 24. 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. 25. From the simulation, what do you observe about movement of the molecules as the temperature increases to 0 $^\circ$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: B) The molecules move faster. ← PreviousNext →Related 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 8Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 9Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books