This quiz works best with JavaScript enabled. Home > Class 11 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When a substance is melting, it is ..... A) Losing heat and its temperature is decreasing. B) Losing heat and its temperature remains constant. C) Gaining heat and its temperature is increasing. D) Gaining heat and its temperature remains constant. Show Answer Correct Answer: D) Gaining heat and its temperature remains constant. 2. An Aluminium Rod of length L0rest on a smooth horizontal base if the temperature is increase by $\Delta$T $^\circ$C. What will be the longitudinal strain developed? A) $\alpha$$\Delta$T. B) Zero. C) -$\alpha$$\Delta$T. D) Cannot be determined. Show Answer Correct Answer: B) Zero. 3. To keep food warm or cool, coolers are made out of materials that are ..... A) Insulators. B) Conductors. C) All the above. D) None of the above. Show Answer Correct Answer: A) Insulators. 4. Which process involves the absorption of energy to break bonds between particles? A) Freezing. B) Boiling. C) Condensation. D) Deposition. Show Answer Correct Answer: B) Boiling. 5. When a body changes state, there is a change in the A) Internal Kinetic Energy. B) Internal Gravitational Energy. C) Internal Potential Energy. D) Internal Heat Energy. Show Answer Correct Answer: C) Internal Potential Energy. 6. Select the correct formula to calculate change in volume. A) $\Delta$V = V$_{1}$ $\beta$ $\Delta$T. B) $\beta$ = $\Delta$V/V$_{1 }$$\Delta$T. C) $\Delta$T = $\Delta$V $\beta$ V$_{1}$. D) $\Delta$T = $\Delta$V/V$_{1 }$$\beta$. Show Answer Correct Answer: A) $\Delta$V = V$_{1}$ $\beta$ $\Delta$T. 7. Melting point is ..... A) The temperature where solid changes to liquid without a change in temperature. B) The temperature where gas changes to liquid without a change in temperature. C) The temperature where liquid changes to solid without a change in temperature. D) The temperature where solid changes to liquid with a change in temperature. Show Answer Correct Answer: A) The temperature where solid changes to liquid without a change in temperature. 8. The specific heat capacity of copper is 400 J/(kg degrees celsius).A 2 kg mass of copper is heated for 40 s by a 100 W heater. What is the maximum possible rise in temperature? A) 5 degrees celsius. B) 10 degrees celsius. C) 20 degrees celsius. D) 50 degrees celsius. Show Answer Correct Answer: A) 5 degrees celsius. 9. What factors influence the rate of heat transfer in a material? A) Viscosity, molecular weight, phase state, and magnetic field. B) Thermal conductivity, temperature difference, surface area, and heat transfer method. C) Material density, humidity levels, color, and pressure. D) Electrical conductivity, mass, shape, and vibration frequency. Show Answer Correct Answer: B) Thermal conductivity, temperature difference, surface area, and heat transfer method. 10. When steam condenses into water, which of the following statements is true? A) The particles move faster and spread farther apart. B) The particles lose energy and move closer together. C) The particles gain energy and vibrate more strongly. D) The temperature increases as energy is absorbed. Show Answer Correct Answer: B) The particles lose energy and move closer together. 11. When a solid is melting, the temperature remains constant even though thermal energy is being supplied because the ..... A) Energy is used to break the bonds between the particles. B) Solid is not absorbing any thermal energy. C) Molecules are moving faster. D) Molecules are further apart. Show Answer Correct Answer: A) Energy is used to break the bonds between the particles. 12. True or False:Thermal energy does not depend on the type of substance. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. How does the thermal conductivity of metals compare to non-metals? A) Non-metals have higher thermal conductivity than metals. B) Metals have higher thermal conductivity than non-metals. C) Metals and non-metals have equal thermal conductivity. D) Metals have lower thermal conductivity than non-metals. Show Answer Correct Answer: B) Metals have higher thermal conductivity than non-metals. 14. The change in energy needed to change the state of a substance is A) Much lower than the change in energy needed to change the temperature of a substance. B) Much greater than the change in energy needed to change the temperature of a substance. C) Much lower than the change in energy needed to change the heat capacity of a substance. D) Much higher than the change in energy needed to change the heat capacity of a substance. Show Answer Correct Answer: B) Much greater than the change in energy needed to change the temperature of a substance. 15. Sweating helps to keep runners cool as they run in the hot sun.How does sweating help to cool runners? A) The hot water molecules are less dense, allowing them to rise and separate themselves from the body, taking the thermal energy away as well. B) The water molecules absorb thermal energy from the body to evaporate. C) The water molecules release thermal energy in order to evaporate. D) Production of water molecules removes thermal energy from the body. Show Answer Correct Answer: B) The water molecules absorb thermal energy from the body to evaporate. 16. Why is so much energy required for a substance to change state? A) The energy is needed to increase the temperature during the state change. B) The energy is needed to decrease the elastic potential energy of the particles. C) The energy is needed to decrease the kinetic energy of the particles. D) The energy is needed to overcome the attraction between particles. Show Answer Correct Answer: D) The energy is needed to overcome the attraction between particles. 17. Which of the following terms identifies the change from a liquid to solid? A) Melting. B) Condensation. C) Evaporation. D) Freezing. Show Answer Correct Answer: D) Freezing. 18. During condensation, A) Liquid changes to solid. B) Solid changes to liquid. C) Liquid changes to gas. D) Gas changes to liquid. Show Answer Correct Answer: D) Gas changes to liquid. 19. Superficial expansion is also known as ..... A) Linear expansion. B) Area expansion. C) Volume expansion. D) None of the above. Show Answer Correct Answer: B) Area expansion. 20. When water reaches its boiling point, the thermal energy will be used to ..... A) Raise the temperature of the water above 100$^{o}$ C. B) Change the liquid particles to gas. C) Add more water particles. D) Slow down the water particles. Show Answer Correct Answer: B) Change the liquid particles to gas. 21. During freezing and condensation, energy is ..... A) Absorbed. B) Released. C) All the above. D) None of the above. Show Answer Correct Answer: B) Released. 22. Water freezes at 32 degrees on which temperature scale? A) Fahrenheit. B) Celsius. C) Kelvin. D) Absolute zero. Show Answer Correct Answer: A) Fahrenheit. 23. When the pressure of the surrounding air is greater, the rate of evaporation increases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. "The energy per kilogram required to cause a substance to change state from liquid to gas at its boiling point." is the definition of ..... A) Specific heat capacity. B) Specific latent heat of vaporization. C) Specific latent heat of fusion. D) Temperature. Show Answer Correct Answer: B) Specific latent heat of vaporization. 25. How much energy will a 30 W heater provide in 5 minutes? A) 150 J. B) 300 J. C) 9, 000 J. D) None of the above. Show Answer Correct Answer: C) 9, 000 J. ← 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 10Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books