This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the role of thermal expansion in materials? A) Thermal expansion causes materials to change size with temperature, impacting design and structural integrity. B) Thermal expansion increases the weight of materials under heat. C) Thermal expansion has no effect on the electrical properties of materials. D) Thermal expansion makes materials more brittle at lower temperatures. Show Answer Correct Answer: A) Thermal expansion causes materials to change size with temperature, impacting design and structural integrity. 2. Perspiration helps to keep our bodies cool because ..... When the water in our sweat evaporates, the sweat ..... and changes state from liquid to gas. Our bodies ..... thermal energy to the evaporating sweat and so we feel cool. A) Loses internal potential energy, lose. B) Loses internal potential energy, gain. C) Gains internal potential energy, lose. D) Gains internal potential energy, gain. Show Answer Correct Answer: C) Gains internal potential energy, lose. 3. Ice at 0 degC is placed in warm water. The ice melts. As ice melts, which statement is correct? A) Internal energy of ice decreases. B) Internal energy of water decreases. C) Temperature of ice increases. D) Temperature of water increases. Show Answer Correct Answer: B) Internal energy of water decreases. 4. Which property of matter increases when heat is absorbed at constant pressure? A) Mass. B) Density. C) Volume. D) Hardness. Show Answer Correct Answer: C) Volume. 5. Which statement about heat and temperature is TRUE? A) Heat and temperature are the same. B) Heat is a measure of kinetic energy, temperature is energy in transfer. C) Heat is energy in transfer; temperature measures molecular motion. D) Temperature depends on mass. Show Answer Correct Answer: C) Heat is energy in transfer; temperature measures molecular motion. 6. Throughout the changes of state e.g. liquid to gas, what does not change? A) Their strength of forces. B) The number of particles. C) Their spacing. D) None of the above. Show Answer Correct Answer: B) The number of particles. 7. Convert:25.0 $^{o}$C to $^{o}$F: A) 77 F. B) 77 C. C) 100 F. D) 100 C. Show Answer Correct Answer: A) 77 F. 8. A constant volume air thermometer works on A) Pascals law. B) Boyle's law. C) Charles law. D) Archimedes. Show Answer Correct Answer: C) Charles law. 9. When the substance is changing state, temperature A) Remains constant. B) Increases. C) Decreases. D) None of the above. Show Answer Correct Answer: A) Remains constant. 10. Why is a red-hot rivet used to join two metal plates? A) The rivet softens and melts into the metal plates. B) The rivet expands when cooled, forming a tight joint. C) The rivet contracts upon cooling, pulling the plates tightly together. D) The rivet oxidizes, creating a strong bond between plates. Show Answer Correct Answer: C) The rivet contracts upon cooling, pulling the plates tightly together. 11. Some statements about boiling and evaporation are below. Which is incorrect? A) Boiling occurs at the liquid surface. B) Boiling forms bubbles as liquid turns to gas. C) Evaporation occurs at any temperature. D) Rate of evaporation is affected by exposed surface area of the liquid. Show Answer Correct Answer: A) Boiling occurs at the liquid surface. 12. Question 10Internal energy is affected by two particles which make up a substance.Identify the two properties. A) A motion and position. B) B acceleration and mass. C) C specific heat capacity and volume. D) D state of matter and potential energy. Show Answer Correct Answer: A) A motion and position. 13. What happens when ice melts? A) The average kinetic energy of the particles in ice increases. B) The average potential energy of the particles in ice remains constant. C) The average thermal energy of the particles in ice remains constant. D) The average internal energy of the ice increases. Show Answer Correct Answer: D) The average internal energy of the ice increases. 14. Why does a gas exert more pressure when heated in a fixed container? A) The gas particles lose kinetic energy and attract each other. B) The gas particles move faster and hit the container walls more often and with greater force. C) The number of gas particles increases as the temperature rises. D) The container expands, creating more collisions. Show Answer Correct Answer: B) The gas particles move faster and hit the container walls more often and with greater force. 15. When an object has a low temperature, what do we know about the speed of the particles? A) The particles move faster. B) Temperature has no impact on particle speed. C) There is no change in the particles. D) The particles move slower. Show Answer Correct Answer: D) The particles move slower. 16. If you walk barefoot on hot asphalt, energy is transferred by which process? A) Convection. B) Radiation. C) Conduction. D) Reflection. Show Answer Correct Answer: C) Conduction. 17. "The energy required per kilogram and per degree Celsius to raise the temperature of a substance." 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: A) Specific heat capacity. 18. 50g of ice at 0oC is mixed with 50g of water at 80 deg C, final temperature of the mixture will be A) 0 deg C. B) 40 deg C. C) 60 deg C. D) 4 degC. Show Answer Correct Answer: B) 40 deg C. 19. What is the SI unit of specific heat capacity? A) J/kg. B) J/kgK. C) J/molK. D) Cal/gK. Show Answer Correct Answer: B) J/kgK. 20. A liquid changes into a gas at a constant temperature. This temperature is known as the ..... A) Absolute zero. B) Boiling point. C) Evaporation point. D) Dew point. Show Answer Correct Answer: B) Boiling point. 21. An experiment is conducted to find out the specific heat capacity of an unknown liquid X. The following data are obtained. Initial Temperature of X:25$^\circ$CFinal Temperature of X:96$^\circ$CMass of substance X:1.8 kgElectrical power rating of heater:800 WDuration of heating:5 mins What is the specific heat capacity of liquid X? A) 1.88 J/(kg $^\circ$C). B) 31.3 J/(kg $^\circ$C). C) 1880 J/(kg $^\circ$C). D) 1390 J/(kg $^\circ$C). Show Answer Correct Answer: C) 1880 J/(kg $^\circ$C). 22. Which of the following statements is/ are true when the temperature of a body rises?1 The average speed of the molecules increases.2 The internal kinetic energy of the molecules increases.3 The total internal energy of the molecules increases. A) 1 only. B) 1 and 2 only. C) 2 and 3 only. D) 1, 2 and 3. Show Answer Correct Answer: D) 1, 2 and 3. 23. The measure of the force of gravity on an object. A) Weight. B) Mass. C) Mixture. D) Density. Show Answer Correct Answer: A) Weight. 24. Cooling always accompanies evaporation because ..... A) The air molecules cool the liquid surface. B) The more energetic molecules leave the liquid. C) There are fewer liquid molecules left in the liquid. D) The escaped molecules return to the liquid. Show Answer Correct Answer: B) The more energetic molecules leave the liquid. 25. Blocks of gold are made by pouring hot, melted gold into moulds. The gold cools to its melting point and begins to solidify. As it solidifies, its temperature ..... A) Stays constant and energy is lost from the gold. B) Stays constant and no energy is lost from the gold. C) Decreases and energy is lost from the gold. D) Decreases and no energy is lost from the gold. Show Answer Correct Answer: A) Stays constant and energy is lost from the gold. ← 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