This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which statement is false about melting? A) Energy is absorbed by substance from the surroundings. B) Change in state from solid to liquid. C) No change in the average kinetic energy of particles during melting. D) Energy is given out to form bonds between particles. Show Answer Correct Answer: D) Energy is given out to form bonds between particles. 2. The ratio of Celsius scale is A) 4. B) 5. C) 9. D) None of the above. Show Answer Correct Answer: B) 5. 3. 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 transfers from the cold object to the hot one. C) It remains in the hot object. D) It disappears. Show Answer Correct Answer: A) It transfers from the hot object to the cold one. 4. The rate of flow of heat per unit area per unit temperature gradient across a solid A) Temperature gradient. B) Coefficient of thermal conductivity. C) Thermal expansion. D) Regelation. Show Answer Correct Answer: B) Coefficient of thermal conductivity. 5. 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. 6. 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. 7. 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) $\frac{A_1}{A_2}=\frac{K_2}{K_1}$. 8. Convert Celsius to farhenit scale A) F=1.8C+32. B) F=273+C. C) F=273-C. D) 273C-1.8=F. Show Answer Correct Answer: A) F=1.8C+32. 9. Which one of the following processes depends on gravity? A) Conduction. B) Convection. C) Radiation. D) None of these. Show Answer Correct Answer: B) Convection. 10. WHEN LIQUID CHANGES INTO VAPOUR STATE AT FIXED TEMPERATURE A) EVAPORATION. B) BOILING. C) HEATING. D) CONDENSATION. Show Answer Correct Answer: B) BOILING. 11. What is the relationship between temperature and particle motion (kinetic energy)? A) As temperature increases, particle motion/ kinetic energy decreases. B) As temperature increases, particle motion/kinetic energy increases. C) As temperature decreases, particle motion / kinetic energy decreases. D) As temperature decreases, particle motion / kinetic energy increases. Show Answer Correct Answer: B) As temperature increases, particle motion/kinetic energy increases. 12. A rectangular swimming pool is 12m long, 8.0m wide and has an average depth of 1.2m. A heater increases the temperature of the water from 20$^\circ$C to 29$^\circ$C in 24 hours.The density of water is 1000 kg/m$^{3 }$and its specific heat capacity is 4.2 J/(g $^\circ$C).No energy is transferred to or from the surroundings. What is the power of the heater? A) 42 kW. B) 50 kW. C) 1200 kW. D) 3000 kW. Show Answer Correct Answer: B) 50 kW. 13. Which property differentiates solids from gases? A) Definite mass. B) Definite volume and shape. C) Compressibility. D) Pressure. Show Answer Correct Answer: B) Definite volume and shape. 14. Three cubes of sides 1, 2 and 3 cm are at constant temperature of 1000oC.The amount of heat lost per second by them are in the ratio A) 1:8:27. B) 27:8:1. C) 1:4:9. D) 9:4:1. Show Answer Correct Answer: C) 1:4:9. 15. How much energy will it take to raise 3 kg of water by 5$^\circ$C? (water has specific heat capacity of 4, 200 J/kg $^\circ$C. A) 21, 000 J. B) 31, 500 J. C) 63, 000 J. D) None of the above. Show Answer Correct Answer: C) 63, 000 J. 16. Bob places an object 15 cm away from the converging lens.He realised that the image formed by the converging lens is the same size as the object.What are the possible other properties the image formed have? A) Real, upright. B) Real, inverted. C) Virtual, inverted. D) Virtual, upright. Show Answer Correct Answer: B) Real, inverted. 17. When a bimetallic strip is heated A) Doesn't bend at all. B) Get twisted in the form of a helix. C) Bend in the form of an arc with more expandable metal outside. D) Bend in the form of an arc with more expandable metal inside. Show Answer Correct Answer: C) Bend in the form of an arc with more expandable metal outside. 18. Boiling and evaporation are different processes.Which statement is not correct? [N14/1/8] A) Boiling occurs throughout the entire liquid but evaporation only occurs at the surface. B) Evaporation can only occur when the temperature of the liquid is high enough. C) Evaporation causes the temperature of a liquid to fall. D) When a boiling liquid is heated. its temperature remains constant. Show Answer Correct Answer: B) Evaporation can only occur when the temperature of the liquid is high enough. 19. From the graph shown in the simulation, what do you observe about the temperature during the condensing 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. 20. Why does the liquid in a thermometer rise when it is heated? A) The glass expands more than the liquid. B) The liquid contracts, forcing it to move up the tube. C) The liquid evaporates and forms bubbles that push it upward. D) The density of the liquid decreases as it expands with heat. Show Answer Correct Answer: D) The density of the liquid decreases as it expands with heat. 21. The thermal capacity of solid Y is greater than that of solid Z. What is a consequence of this? A) Solid Y needs less thermal energy to melt it than solid Z. B) Solid Y needs less thermal energy to raise its temperature by 1 degree celcius than solid Z. C) Solid Y needs more thermal energy to melt it than solid Z. D) Solid Y needs more thermal energy to raise its temperature by 1 degree celcius than solid Z. Show Answer Correct Answer: D) Solid Y needs more thermal energy to raise its temperature by 1 degree celcius than solid Z. 22. Which one is an example of radiation A) If you have an ice cube in your hand outside the ice cube will melt. B) It turns bigger. C) It stays the same. D) None of the above. Show Answer Correct Answer: A) If you have an ice cube in your hand outside the ice cube will melt. 23. Assertion:Water kept in an open vessel will quickly evaporate onthe surface of the moon. Reason:The temperature at the surface of the moon is much higher than boiling point of the water. A) Assertion is correct, reason is incorrect. B) Both are false. C) Assertion is correct, reason is correct; reason is not a correct explanation for assertion. D) Assertion is correct, reason is correct; reason is a correct explanation for assertion. Show Answer Correct Answer: A) Assertion is correct, reason is incorrect. 24. Which is NOT correct about the differences between evaporation and boiling? A) Evaporation has no bubbles while boiling has bubbles. B) Evaporation does not require an external heat source but boiling requires it. C) Evaporation occurs at the surface but boiling occurs throughout the liquid. D) Evaporation is relatively fast while boiling is relatively slow. E) Evaporation does not occur at a fixed temperature but boiling does. Show Answer Correct Answer: D) Evaporation is relatively fast while boiling is relatively slow. 25. What form of heat transfer occurs when the Sun heats the Earth? A) Conduction. B) Convection. C) Radiation. D) Reflection. Show Answer Correct Answer: C) Radiation. ← 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