This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which energy is directly related to the distance / forces of attraction between the molecules? A) Potential energy. B) Kinetic energy. C) All the above. D) None of the above. Show Answer Correct Answer: A) Potential energy. 2. A bucket of ice is being heated up by a heater in order for it to melt.The initial temperature of the ice is-10 $^\circ$C.The specific heat capacity of ice and water is 2100 J/kg$^\circ$C and 4200 J/kg$^\circ$C respectively and the specific latent heat of fusion of ice is 33600 J/kg.Given that a total of 245700 J of energy is supplied to the ice, what is the mass of the ice? A) 3.25 kg. B) 4.5 kg. C) 7.31 kg. D) 11.7 kg. Show Answer Correct Answer: B) 4.5 kg. 3. The saturation vapour pressure of water at 100 deg C is A) 739 mm of mercury. B) 750 mm of mercury. C) 760 mm of mercury. D) 712 mm of mercury. Show Answer Correct Answer: C) 760 mm of mercury. 4. An electric device made of two different metals is called ..... A) Thermometer. B) Termocouple. C) Thermistor. D) None of the above. Show Answer Correct Answer: B) Termocouple. 5. The amount of energy required to raise 1 kg of material by 1 kelvin is called specific heat. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Which one is the correct formula for r? A) R/N$_{A}$. B) R/M. C) M/R. D) N$_{A}$/R. Show Answer Correct Answer: B) R/M. 7. A solid is heated until it starts to become a liquid. While it is melting, its temperature ..... A) Increases. B) Decreases. C) Stays the same. D) Expands. Show Answer Correct Answer: C) Stays the same. 8. Working principle of pressure cooker is ..... A) Boiling Point increases with increase in Pressure. B) Boiling Point decreases with increase in Pressure. C) Melting Point increases with increase in Pressure. D) None of the above. Show Answer Correct Answer: A) Boiling Point increases with increase in Pressure. 9. Sweet makers do not clean the bottom of cauldron because A) Black and rough surface absorbs more heat. B) Absorption power of black and bright surface is more. C) Transmission power of black and rough surface is more. D) Emission power of black and bright surface is more. Show Answer Correct Answer: A) Black and rough surface absorbs more heat. 10. A 0.5 kg aluminum pan (c = 900 J/kg$^\circ$C) is heated from 25$^\circ$C to 75$^\circ$C. How much heat is absorbed? A) 22, 500 J. B) 45, 000 J. C) 15, 000 J. D) 30, 000 J. Show Answer Correct Answer: A) 22, 500 J. 11. As you go higher in the earth's atmosphere, the ratio of N$_{2}$ to CO$_{2}$ molecules A) Decreases. B) Remains constant. C) Increases. D) None of given option. Show Answer Correct Answer: C) Increases. 12. The ratio of Fahreinheit scale is ..... A) 4. B) 5. C) 9. D) None of the above. Show Answer Correct Answer: C) 9. 13. The latent heat of vaporization of a substance is always A) Greater than its latent heat of fusion. B) Less than its latent heat of fusion. C) Greater than its latent heat of sublimation. D) Equal to its latent heat of sublimation. Show Answer Correct Answer: A) Greater than its latent heat of fusion. 14. Select the correct formula to calculate change in temperature. A) $\Delta$L = L$_{1}$ $\alpha$ $\Delta$T. B) $\alpha$ = $\Delta$L/L$_{1 }$$\Delta$T. C) $\Delta$T = $\Delta$L $\alpha$ L$_{1}$. D) $\Delta$T = $\Delta$L/L$_{1 }$$\alpha$. Show Answer Correct Answer: D) $\Delta$T = $\Delta$L/L$_{1 }$$\alpha$. 15. Equation for latent heat is ..... A) Q m = L. B) Q = m L. C) Q L = m. D) None of the above. Show Answer Correct Answer: B) Q = m L. 16. Which of the following is not true about evaporation? A) Occurs at any temperature. B) Only takes place at the liquid surface. C) No bubbles are formed. D) Requires an external heat source. Show Answer Correct Answer: D) Requires an external heat source. 17. Which form of energy causes water to boil? A) Sound energy. B) Mechanical energy. C) Thermal energy. D) Light energy. Show Answer Correct Answer: C) Thermal energy. 18. Thermometer should have the following properties except A) It should be visible. B) It should have a high boiling point. C) It should have a high freezing point. D) It should be a good conductor of heat. Show Answer Correct Answer: C) It should have a high freezing point. 19. A material with a(n) ..... specific heat can absorb a great deal of thermal energy without a great change in temperature. A) High. B) Low. C) All the above. D) None of the above. Show Answer Correct Answer: A) High. 20. How low does the molecular density need to be for a real gas to behave like an ideal gas? A) When the average molecular separation is double the size of the molecule. B) When the average molecular separation is greater than the size of the molecule. C) When the average molecular separation is equal to the size of the molecule. D) When the average molecular separation is smaller than the size of the molecule. Show Answer Correct Answer: B) When the average molecular separation is greater than the size of the molecule. 21. 1m$^{3 }$is equal to A) 1000 litre. B) 10$^{-3}$m$^{3}$. C) 10$^{-6}$m$^{3}$. D) 1gcm$^{-3}$. Show Answer Correct Answer: A) 1000 litre. 22. When water evaporates, A) More energetic molecules escape from the surface. B) Less energetic molecules escape from the surface. C) Molecules collide more often. D) None of the above. Show Answer Correct Answer: A) More energetic molecules escape from the surface. 23. When air is compressed, its molecules: A) Move slower. B) Move faster. C) Stay still. D) Expand. Show Answer Correct Answer: B) Move faster. 24. The phase of matter with definite volume but no definite shape is: A) Solid. B) Liquid. C) Gas. D) Plasma. Show Answer Correct Answer: B) Liquid. 25. In order for liquid water to change state into water vapor A) The liquid water needs to lose thermal energy. B) The liquid water needs to gain thermal energy. C) The liquid water needs to release thermal energy. D) The liquid water needs its thermal energy to be activated. Show Answer Correct Answer: B) The liquid water needs to gain thermal energy. ← 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 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 10Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books