This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. "The energy per kilogram required to cause a substance to change state from solid to liquid at its melting 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: C) Specific latent heat of fusion. 2. Steam at 100$^\circ$C from a kettle condenses on a mirror. What happens to the kinetic energy and to the potential energy of the molecules during the process of condensation? A) Kinetic energy:decreasesPotential energy:decreases. B) Kinetic energy:decreasesPotential energy:stays the same. C) Kinetic energy:stays the samePotential energy:decreases. D) Kinetic energy:stays the samePotential energy:stays the same. Show Answer Correct Answer: C) Kinetic energy:stays the samePotential energy:decreases. 3. What causes the random, zig-zag movement (Brownian motion) of smoke particles suspended in air? A) Air molecules colliding with smoke particles. B) Convection currents as the hot smoke rises. C) Smoke particles colliding with each other. D) Smoke particles reacting with oxygen molecules in the air. Show Answer Correct Answer: A) Air molecules colliding with smoke particles. 4. When a body is heated, max rise will be in its A) Length. B) Surface area. C) Volume. D) Density. Show Answer Correct Answer: C) Volume. 5. Thermoelectric thermometer is based on A) Photoelectric effect. B) Seeback effect. C) Compton effect. D) Joule effect. Show Answer Correct Answer: B) Seeback effect. 6. Why does the sand at the beach cool down faster than the water at night? A) Sand has a higher specific heat than water. B) Sand has a lower specific heat than water. C) There is more water than sand at the beach. D) There is more sand than water at the beach. Show Answer Correct Answer: B) Sand has a lower specific heat than water. 7. At what temperature the Celsius and Fahrenheit, readings are the same: A) -40$^\circ$C. B) 40$^\circ$C. C) 36.6$^\circ$C. D) -37$^\circ$C. Show Answer Correct Answer: A) -40$^\circ$C. 8. After doing the laundry, we spread the wet clothes out to dry. It is observed that clothes that are well spread out dry faster than clothes that are not.Spreading out wet clothes when drying ensures that the ..... surface area of clothes is exposed. More water molecules can escape from the wet clothes, allowing a ..... rate of evaporation. A) Minimum, faster. B) Minimum, slower. C) Maximum, faster. D) Maximum, slower. Show Answer Correct Answer: C) Maximum, faster. 9. A sphere, a cube, and a thin circular plate, all of the same material and same mass are initially heated to same high temperature. A) Plate will cool fastest and cube the slowest. B) Sphere will cool fastest and cube the slowest. C) Plate will cool fastest and sphere the slowest. D) Cube will cool fastest and plate the slowest. Show Answer Correct Answer: C) Plate will cool fastest and sphere the slowest. 10. Which of the following statements is not true about boiling and evaporation? A) Boiling happens only at boiling point while evaporation happens between the melting and boiling point of the liquid. B) Boiling happens throughout the liquid while evaporation happens at the surface of the liquid. C) Boiling is a chemical change that involves heating while evaporation is a physical change that is easily reversible. D) Boiling is faster than evaporation. Show Answer Correct Answer: C) Boiling is a chemical change that involves heating while evaporation is a physical change that is easily reversible. 11. The expansion of a material when its temperature rises is called ..... A) Heat. B) Thermal expansion. C) Thermal. D) None of the above. Show Answer Correct Answer: B) Thermal expansion. 12. When a liquid changes into a gas at a constant temperature, this temperature is known as the A) Latent heat. B) Absolute zero. C) Boiling point. D) Evaporation point. Show Answer Correct Answer: C) Boiling point. 13. When a substance is melting, its temperature ..... A) Increases. B) Decreases. C) Stays constant. D) None of the above. Show Answer Correct Answer: C) Stays constant. 14. Water has Maximum density at A) 0 degree celcius. B) -10 degree celcius. C) 4 degree celcius. D) 100 degree celcius. Show Answer Correct Answer: C) 4 degree celcius. 15. What is the relationship between temperature and the kinetic energy of particles? A) Temperature is directly proportional to kinetic energy. B) Temperature is inversely proportional to kinetic energy. C) Temperature is unrelated to kinetic energy. D) Temperature is the square of kinetic energy. Show Answer Correct Answer: A) Temperature is directly proportional to kinetic energy. 16. Throughout the changes of state e.g. liquid to gas, what changes? A) Their mass. B) The number of particles. C) Their spacing and arrangement. D) None of the above. Show Answer Correct Answer: C) Their spacing and arrangement. 17. During melting, particles A) Move slower. B) Move faster. C) Move closer. D) Move further apart. Show Answer Correct Answer: D) Move further apart. 18. When the temperature of the liquid is higher, the rate of evaporation decreases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 19. The coefficient of volume expansion of solids is A) Greater than liquid. B) Less than liquid. C) Equal to liquid. D) Greater than gas. Show Answer Correct Answer: B) Less than liquid. 20. ..... are mixtures in which its particles are too big to stay mixed without being stirred or shaken. A) Solutions. B) Colloids. C) Suspensions. D) None of the above. Show Answer Correct Answer: C) Suspensions. 21. State what occurs during freezing/condensation? A) Internal Kinetic Energy remains constant, Internal Potential Energy decreases. B) Internal Kinetic Energy remains decreases, Internal Potential Energy decreases. C) Internal Kinetic Energy remains constant, Internal Potential Energy remains constant. D) Internal Kinetic Energy remains constant, Internal Potential Energy increases. Show Answer Correct Answer: A) Internal Kinetic Energy remains constant, Internal Potential Energy decreases. 22. What could happen if a glass flask filled with liquid is heated suddenly? A) The glass may crack because the inner surface expands faster than the outer surface. B) The liquid will not expand but the glass will. C) The glass will become more flexible as it heats. D) The outer surface of the glass expands faster, preventing cracks. Show Answer Correct Answer: A) The glass may crack because the inner surface expands faster than the outer surface. 23. A silver plate of 16cm2 is heated from 20 degrees to 100 degrees. What is the increase of area?assume $\alpha=2\times10^{-5}$ A) 0.051. B) 16.051. C) 0.0256. D) 16.0256. Show Answer Correct Answer: A) 0.051. 24. There are two spheres of same radius and material at same temperature-one being solid, other being hollow. Which sphere will expand more if they are heated to same temperature A) Solid. B) Hollow. C) Same in both. D) None of the above. Show Answer Correct Answer: C) Same in both. 25. When air is sucked through straw with its other end dipped in a liquid, the pressure inside the straw? A) Increase. B) Remain constant. C) Decrease. D) The air cannot sucked. Show Answer Correct Answer: C) Decrease. ← 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