This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Physics Part Ii > Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Evaporation is what kind of change and WHY? A) Exothermic because it requires energy. B) Exothermic because it requires energy. C) Endothermic because it requires energy. D) Endothermic because it releases energy. Show Answer Correct Answer: C) Endothermic because it requires energy. 2. Particles in a solid move ..... , than particles in a gas A) Faster. B) Slower. C) More randomly. D) More fluidly. Show Answer Correct Answer: B) Slower. 3. All atoms/elements bond in order to ..... A) Only share electrons. B) Have a full valence shell. C) To create electrical currents for human use. D) Give away electrons or take electrons. Show Answer Correct Answer: B) Have a full valence shell. 4. How many protons and electrons does a carbon atom have? A) 6 protons, 6 electrons. B) 6 protons, 4 electrons. C) Not enough information. D) 4 protons, 6 electrons. Show Answer Correct Answer: A) 6 protons, 6 electrons. 5. What is the effect of increasing the number of gas particles in a closed container at constant temperature? A) Pressure increases. B) Pressure decreases. C) Volume increases. D) None of the above. Show Answer Correct Answer: A) Pressure increases. 6. The more energy that particles have, the ..... they move. A) Slower. B) Faster. C) All the above. D) None of the above. Show Answer Correct Answer: B) Faster. 7. Which of the following is NOT a characteristic of liquid particles according to the Kinetic Theory? A) They have fixed positions. B) They are in constant motion. C) They are affected by temperature changes. D) They can slide past each other. Show Answer Correct Answer: A) They have fixed positions. 8. When water is boiling, at what location do the liquid particles gain enough energy to turn into gas particles? A) Only the surface of the water. B) Only the bottom of the pan. C) Everywhere in the pan. D) None of the above. Show Answer Correct Answer: C) Everywhere in the pan. 9. ..... is the process by which particles of a liquid form a gas by escaping from the surface A) Diffusion. B) Sublimation. C) Evaporation. D) Condensation. Show Answer Correct Answer: C) Evaporation. 10. What characterizes an isothermal process? A) Heat is added to the system continuously. B) Variable temperature during the process. C) Constant temperature throughout the process. D) Pressure remains constant throughout the process. Show Answer Correct Answer: C) Constant temperature throughout the process. 11. What happens to matter as its temperature increases? A) The particles gain kinetic energy. B) The particles lose potential energy. C) The average kinetic energy of its particles decreases. D) The average thermal energy of its particles decreases. Show Answer Correct Answer: A) The particles gain kinetic energy. 12. In which phase of matter is there the most potential for movement? (a) A) Plasma. B) A. Gas. C) Solid. D) Liquid. Show Answer Correct Answer: B) A. Gas. 13. Explain molecular collision. A) Molecular collision is the process of molecules separating from each other. B) Molecular collision is the interaction between molecules that can lead to chemical reactions. C) Molecular collision refers to the movement of molecules in a vacuum. D) Molecular collision is the measurement of molecular weight. Show Answer Correct Answer: B) Molecular collision is the interaction between molecules that can lead to chemical reactions. 14. A heated surface loses heat by radiation. What does not affect the amount of heat lost per square metre of the surface? A) The roughness of the surface. B) The area of the surface. C) The temperature of the surface. D) The colour of the surface. Show Answer Correct Answer: B) The area of the surface. 15. Gas molecules can easily be compressed because ..... A) Gas molecules are soft. B) Gas molecules are far apart. C) Gas molecules follow the shape of the container. D) None of the above. Show Answer Correct Answer: B) Gas molecules are far apart. 16. The temperature of a gas is raised while its volume remains constant, the pressure exerted by a gas on the walls of the container increases because its molecules A) Lose more kinetic energy to the wall. B) Are in contact with the wall for a shorter time. C) Strike the wall more often with higher velocities. D) Collide with each other less frequency. Show Answer Correct Answer: C) Strike the wall more often with higher velocities. 17. Temperature describes the ..... of particles. A) Conductivity. B) Volume. C) Mass. D) Motion. Show Answer Correct Answer: D) Motion. 18. The thermal energy is transferred from higher energy particles to other particles through ..... A) Oblivion. B) Collision. C) Microbes. D) Solution. Show Answer Correct Answer: B) Collision. 19. In which phase of matter is there the least spacing between particles? (a) A) Liquid. B) Gas. C) Plasma. D) A. Solid. Show Answer Correct Answer: D) A. Solid. 20. Which of the following best describes the Kinetic Theory of Gases? A) Gases consist of large numbers of tiny particles that are far apart relative to their size. B) Gas particles are in constant, random motion and possess kinetic energy. C) Gas particles collide with each other and the walls of their container without losing energy. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. The temperature of a gas is a measure of A) The pressure of the gas. B) The average kinetic energy of the particles. C) The average density of the molecules. D) The volume of the gas. Show Answer Correct Answer: B) The average kinetic energy of the particles. 22. Convert-89 $^{o}$C to K A) 362K. B) -184K. C) 184K. D) -362K. Show Answer Correct Answer: C) 184K. 23. Average kinetic energy of molecules is A) Directly proportional to square root of temperature. B) Inversely proportional to absolute temperature. C) Directly proportional to absolute temperature. D) Independent of absolute temperature. Show Answer Correct Answer: C) Directly proportional to absolute temperature. 24. Particles in a solid A) Don't move. B) Vibrate in fixed positions. C) Slide past one another. D) None of the above. Show Answer Correct Answer: B) Vibrate in fixed positions. 25. How does temperature affect the kinetic energy of molecules according to the molecular kinetic theory? A) Temperature has no effect on the kinetic energy of molecules. B) Temperature affects the kinetic energy of molecules by increasing it. C) Temperature causes molecules to stop moving. D) Temperature decreases the kinetic energy of molecules. Show Answer Correct Answer: B) Temperature affects the kinetic energy of molecules by increasing it. 26. How does an increase in temperature affect diffusion? A) Diffusion speeds it up. B) Diffusion slows it down. C) Diffusion has no effect. D) None of the above. Show Answer Correct Answer: A) Diffusion speeds it up. 27. Determine the Celsius temperature of 2.49 moles of gas contained in a 1.00-L vessel at a pressure of 143 kPa. A) -266 degrees C. B) 622 degrees C. C) -622 degrees C. D) 266 degrees C. Show Answer Correct Answer: A) -266 degrees C. 28. For hydrogen gas C$_{P}$-C$_{V}$ = a, and for oxygen gas C$_{P}$-C$_{V}$ = b, so that relation between a and b given by A) A = 16 b. B) 16 a = b. C) A = b. D) A = 4 b. Show Answer Correct Answer: C) A = b. 29. According to the KMT, solids have the, A) An intermediate level of organisation. B) Least organized entities. C) The most highly organised entities. D) Same as liquids. Show Answer Correct Answer: C) The most highly organised entities. 30. Particles in a liquid are loosely bound, can change their relative position and hence ..... A) Have zero energy. B) Are always hot. C) Flow into the shape of their container. D) Will never move. Show Answer Correct Answer: C) Flow into the shape of their container. 31. If a hairspray can is heated, what can be expected of the pressure of the gas inside the can? A) The pressure will decrease. B) The pressure will increase. C) The pressure will remain constant. D) The pressure will equalize. Show Answer Correct Answer: B) The pressure will increase. 32. Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm. A) 4.36 L. B) 7.18 L. C) 4.63 L. D) 7.81 L. Show Answer Correct Answer: D) 7.81 L. 33. Diffusion is the movement of molecules from an area of ..... concentration to an ..... concentration A) High, high. B) Low, high. C) High, low. D) Low, low. Show Answer Correct Answer: C) High, low. 34. Which one of the following is not an assumption about the properties of particles in the simple kinetic theory? A) The forces between the particles are negligible except when particles collide. B) < c$^{2}$ > is the average speed of the particles. C) The volume of the particles is negligible compared to the volume of the container. D) The time spent by particles in collision is negligible compared with the time spent between collisions. Show Answer Correct Answer: B) < c$^{2}$ > is the average speed of the particles. 35. What is the device that measures atmospheric pressure? A) Humidity Detector. B) Aerometer. C) Barometer. D) Annemeter. Show Answer Correct Answer: C) Barometer. 36. When heated, a substance in the liquid state expands more than when it is in the solid state because ..... A) Liquid molecules are bigger. B) Liquid molecules expand faster. C) The forces between liquid molecules are weaker. D) Liquid molecules move faster than solid molecules. Show Answer Correct Answer: C) The forces between liquid molecules are weaker. 37. According to Avogadro's Law, what happens to the volume of a gas when the number of moles is increased at constant temperature and pressure? A) The volume remains constant. B) The volume decreases. C) The volume becomes zero. D) The volume increases. Show Answer Correct Answer: D) The volume increases. 38. The theory that states that all particles in matter are constantly moving; helps to describe the phases of matter A) Behavior of gases. B) Kinetic theory. C) Matter matters. D) Temperature. Show Answer Correct Answer: B) Kinetic theory. 39. Which of the physical states of water contains particles with the lowest kinetic energy? A) Steam. B) Melting ice. C) Ice. D) Water. Show Answer Correct Answer: C) Ice. 40. If you spray air freshener on side of the room, why is there a delay for the smell to reach the other side of the room? A) Attractive forces between air and air freshener particles. B) Not enough air freshener particles. C) Because the particles like where they are at. D) Collisions between air and air freshener particles. Show Answer Correct Answer: D) Collisions between air and air freshener particles. 41. Which of the following is NOT an assumption of the Kinetic Molecular Theory? A) Gas particles are in constant, random motion. B) Gas particles have significant volume compared to the space between them. C) Gas particles collide elastically with no loss of energy. D) The average kinetic energy of gas particles is proportional to the temperature in Kelvin. Show Answer Correct Answer: B) Gas particles have significant volume compared to the space between them. 42. What is the standard temperature in Kelvin for gas calculations? A) 0 K. B) 273 K. C) 100 K. D) None of the above. Show Answer Correct Answer: B) 273 K. 43. These are counted to come up with the atomic mass-the mass on the periodic table is a weighted average off all masses found in nature. A) Protons and Electrons. B) Neutrons and Protons. C) Electrons and Positrons. D) Quarks and Atoms. Show Answer Correct Answer: B) Neutrons and Protons. 44. Which real-world application relies on the principles of the kinetic theory of gases? A) Air conditioning systems. B) Photosynthesis in plants. C) Nuclear fission reactions. D) Magnetic resonance imaging (MRI). Show Answer Correct Answer: A) Air conditioning systems. 45. A substance Y has a melting point of-7 degrees Celsius and a boiling point of 63 degrees Celsius. At which of the following temperatures is Y most likely to be a liquid? A) 75. B) 150. C) -25. D) 25. Show Answer Correct Answer: D) 25. 46. How long does diffusion last? A) I don't know. B) Until a region in the system has a greater concentration of particles than the other. C) Until the concentration of particles in the system is equal. D) Until the particles disappear from the system. Show Answer Correct Answer: C) Until the concentration of particles in the system is equal. 47. According to the KMT, gases have the A) Intermediate intermolecular strength of attraction. B) Same as liquids. C) Strongest intermolecular strength of attraction. D) Weakest intermolecular strength of attraction. Show Answer Correct Answer: D) Weakest intermolecular strength of attraction. 48. If the specific heat capacity of water is 4200 J / kg C, how much energy is needed to heat 2kg of water by 2 C? A) 33600. B) 8400. C) 16800. D) 4200. Show Answer Correct Answer: C) 16800. 49. How does molecular motion differ in solids, liquids, and gases? A) Molecular motion is completely stopped in liquids and gases. B) Molecular motion is fastest in solids, slower in liquids, and slowest in gases. C) Molecular motion is limited in solids, more fluid in liquids, and free and rapid in gases. D) Molecular motion is the same in all states of matter. Show Answer Correct Answer: C) Molecular motion is limited in solids, more fluid in liquids, and free and rapid in gases. 50. These are found in the nucleus and have a neutral charge. A) Proton. B) Electron. C) Neutron. D) None of the above. Show Answer Correct Answer: C) Neutron. 51. When a liquid turns into a solid, this is known as ..... A) Condensing. B) Sublimation. C) Evaporating. D) Freezing. Show Answer Correct Answer: D) Freezing. 52. Condensation is ..... A) When a liquid warms and goes from a liquid to a gas. B) When a solid warms and goes from a solid to a liquid. C) When a gas cools and goes from a gas to a liquid. D) None of the above. Show Answer Correct Answer: C) When a gas cools and goes from a gas to a liquid. 53. Under which conditions of temperature and pressure does carbon dioxide behave most like an ideal gas? A) Low temperature and low pressure. B) Low temperature and high pressure. C) High temperature and low pressure. D) High temperature and high pressure. Show Answer Correct Answer: C) High temperature and low pressure. 54. Real and Ideal gases have ..... A) A definite shape and volume. B) A definite shape but no definite volume. C) No definite shape but a definite volume. D) No definite shape or volume. Show Answer Correct Answer: D) No definite shape or volume. 55. Which states of matter are fluid? A) Gases and liquids. B) Solids and liquids. C) Liquids only. D) Gases only. Show Answer Correct Answer: A) Gases and liquids. 56. Which of the following states of matter can easily be compressed? A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: C) Gas. 57. According to the Kinetic Theory, what happens to gas particles when the temperature increases? A) They move slower and collide less frequently. B) They move faster and collide more frequently. C) They move at the same speed but collide more frequently. D) They move slower but collide more frequently. Show Answer Correct Answer: B) They move faster and collide more frequently. 58. A balloon has 15.0g of O$_{2}$ at 27.0 $^\circ$C and 1.54 atm. What is the volume? A) .0675 L. B) 240 L. C) 15.0 L. D) 7.50 L. Show Answer Correct Answer: D) 7.50 L. 59. Identify the states of matter where Brownian Motion can occur. A) Solid, gas. B) Solid, liquid. C) Liquid, gas. D) Solid, liquid, gas. Show Answer Correct Answer: C) Liquid, gas. 60. Changes of state are ..... changes. A) Physical. B) Chemical. C) All the above. D) None of the above. Show Answer Correct Answer: A) Physical. ← PreviousNext →Related QuizzesScience QuizzesClass 11 QuizzesClass 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 1Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 2Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 3Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 4Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 5Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 6Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 7Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books