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 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 8 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In the context of the Kinetic Theory, what is the significance of intermolecular forces in liquids? A) They have no effect on particle movement. B) They keep particles in fixed positions. C) They influence the flow and movement of particles. D) They prevent particles from moving. Show Answer Correct Answer: C) They influence the flow and movement of particles. 2. Fill in the black:Food dye will move through hot water ..... it will move through cold water. A) Slower than. B) Faster than. C) At the same rate that. D) None of the above. Show Answer Correct Answer: B) Faster than. 3. What is the unit used to measure the mass of sub-atomic particles? A) Atomic Mass Units (AMUs). B) Grams. C) Quarks. D) Smol Grams. Show Answer Correct Answer: A) Atomic Mass Units (AMUs). 4. According to the assumptions of the Kinetic Molecular Theory, atoms's attraction towards other atoms is ..... A) Greater when they are close together. B) Greater when they are far apart. C) The same at all distances. D) Atoms do not attract each other. Show Answer Correct Answer: A) Greater when they are close together. 5. How many valence electrons does calcium have? A) 2. B) 7. C) 4. D) 6. Show Answer Correct Answer: A) 2. 6. If an element has 19 protons, 22 neutrons, and 18 electrons, what element is it? A) Potasium. B) Calcium. C) Titanium. D) Argon. Show Answer Correct Answer: A) Potasium. 7. If an atom has 15 protons, 16 neutrons, and 15 electrons, what is it's charge? A) +15. B) 0. C) +1. D) -1. Show Answer Correct Answer: B) 0. 8. In a gas the particles are A) Close together and moving fast. B) Far apart and moving slowly. C) Far apart and moving quickly. D) The particles are a lie. Show Answer Correct Answer: C) Far apart and moving quickly. 9. Which of the following real-world applications is based on the principles of the Kinetic Theory and Gas Laws? A) The operation of a refrigerator. B) The functioning of a hydraulic lift. C) The working of a steam engine. D) The inflation of a hot air balloon. Show Answer Correct Answer: D) The inflation of a hot air balloon. 10. The phases of a substance are A) Cold, Medium, Hot. B) Low Energy, Medium Energy, High Energy. C) Closely packed, not too far apart, far apart. D) Solid, Liquid, Gas. Show Answer Correct Answer: D) Solid, Liquid, Gas. 11. The degree of freedom for a diatomic molecule is A) 6. B) 2. C) 3. D) 5. Show Answer Correct Answer: D) 5. 12. What is the normal boiling point of water A) 0$^{o}$C. B) 100$^{o}$F. C) 50$^{o}$C. D) 100$^{o}$C. Show Answer Correct Answer: D) 100$^{o}$C. 13. What are the values for STP? A) 0 K and 1 atm. B) 0$^{o}$C and 1 atm. C) 760 K and 1 atm. D) 273$^{o}$C and 1 atm. Show Answer Correct Answer: B) 0$^{o}$C and 1 atm. 14. Which phase change is associated with the specific latent heat of vaporization? A) Liquid to gas. B) Liquid to solid. C) Gas to solid. D) Solid to liquid. Show Answer Correct Answer: A) Liquid to gas. 15. In which state do the molecules have enough kinetic energy to overcome the intermolecular forces? A) Solid. B) Kentucky. C) Gas. D) Liquid. Show Answer Correct Answer: C) Gas. 16. Cooling a substance ..... molecular motion A) Increases. B) Decreases. C) All the above. D) None of the above. Show Answer Correct Answer: B) Decreases. 17. Celsius= Kelvin-273 A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Directly proportional means that as one value increases ..... A) The other decereases. B) The other stays the same. C) The other goes to zero. D) The other increases as well. Show Answer Correct Answer: D) The other increases as well. 19. The state of matter that has no definite shape and no definite volume. A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: C) Gas. 20. ..... pressure of a substance in equilibrium with its liquid A) Boiling point. B) Freezing point. C) Heat of fusion. D) Vapor pressure. Show Answer Correct Answer: D) Vapor pressure. 21. What kind of bond will Potassium form with Sulfur? A) Ionic. B) Covalent. C) Metallic. D) No bond. Show Answer Correct Answer: A) Ionic. 22. Which of the following statements about a gas is/are correct?1 Smaller gas particles move with higher speeds compared to larger gas particles.2 The intermolecular forces between gas particles are negligible.3 At higher temperatures, the volume of gas particles increases. A) 1 only. B) 2 only. C) 1 and 2 only. D) 1, 2 and 3. Show Answer Correct Answer: C) 1 and 2 only. 23. Which of the following statements is true according to the Kinetic Theory of Liquids? A) Particles in a liquid are in fixed positions. B) Particles in a liquid move freely and randomly. C) Particles in a liquid do not move at all. D) Particles in a liquid only vibrate in place. Show Answer Correct Answer: B) Particles in a liquid move freely and randomly. 24. Melting is ..... A) When a gas cools and goes from a gas to a liquid. B) When a solid warms and goes from a solid to a liquid. C) When a liquid warms and goes from a liquid to a gas. D) None of the above. Show Answer Correct Answer: B) When a solid warms and goes from a solid to a liquid. 25. When a substance changes directly from a gas to a solid, it is called: A) Condensation. B) Deposition. C) Vaporization. D) Sublimation. Show Answer Correct Answer: B) Deposition. 26. Elastic Collisions are where particles change direction but do not lose ..... A) Kinetic energy. B) Mass. C) Heat. D) Potential energy. Show Answer Correct Answer: A) Kinetic energy. 27. Indicate which of these characteristics correspond to evaporation (E) and which correspond to boiling (B):A surface phenomenon A) Evaporation. B) Boiling. C) All the above. D) None of the above. Show Answer Correct Answer: A) Evaporation. 28. Convert:0 K to C A) 273 K. B) -273 C. C) -273 K. D) 273 C. Show Answer Correct Answer: B) -273 C. 29. The states of matter are A) Protons, neutrons, and electrons. B) Solids, liquids, and gases. C) Force, pressure, and energy. D) None of the above. Show Answer Correct Answer: B) Solids, liquids, and gases. 30. Making "fog" with dry ice is an example of ..... A) Condensation. B) Sublimation. C) Melting. D) Vaporization. Show Answer Correct Answer: B) Sublimation. 31. How would you expect a cold morning to affect your car's tire pressure? A) The tires will likely have lower air pressure. B) The tires will likely have higher air pressure. C) All the above. D) None of the above. Show Answer Correct Answer: A) The tires will likely have lower air pressure. 32. Which one of the following statements about the motion of copper atoms is correct? A) They move freely at great speeds. B) They vibrate about their respective mean positions. C) They are in constant random translational motion. D) They are constantly rotating around each other. Show Answer Correct Answer: B) They vibrate about their respective mean positions. 33. As the kinetic energy of the particles increased, the ..... of the particles ..... A) Space; increased. B) Speed:increased. C) Speed; decreased. D) Space; decreased. Show Answer Correct Answer: B) Speed:increased. 34. The slower the particles in a substance move, A) The less energy it has. B) The warmer it is. C) The colder it is. D) The more energy it has. Show Answer Correct Answer: C) The colder it is. 35. The higher the temperature and kinetic energy, the ..... the particles move. A) Slower. B) Faster. C) All the above. D) None of the above. Show Answer Correct Answer: B) Faster. 36. If I heat a liquid and its temperature increases, what change occurs to motion of the molecules? A) The molecules move at the SAME rate. B) The molecules move at a SLOWER rate. C) The molecules move at a FASTER rate. D) None of the above. Show Answer Correct Answer: C) The molecules move at a FASTER rate. 37. A gas has no definite shape because ..... A) The forces between gas molecules are negligible. B) Gas molecules are constantly in motion. C) Gas molecules collide among themselves. D) The separation between gas molecules are negligible. Show Answer Correct Answer: A) The forces between gas molecules are negligible. 38. What does the kinetic theory of matter primarily focus on? A) The color of particles. B) The movement and energy of particles. C) The size of particles. D) The weight of particles. Show Answer Correct Answer: B) The movement and energy of particles. 39. Which of the following is NOT a characteristic of gases? A) Gases have high viscosity. B) Gases are not compressible. C) Gases are infinitely miscible. D) None of the above. Show Answer Correct Answer: B) Gases are not compressible. 40. Convert 300 K to $^{o}$C A) 573$^{o}$C. B) 0$^{o}$C. C) -27$^{o}$C. D) 27$^{o}$C. Show Answer Correct Answer: D) 27$^{o}$C. 41. When you increase your altitude, the air pressure A) Increases. B) Decreases. C) Stays the same. D) None of the above. Show Answer Correct Answer: B) Decreases. 42. As molecular motion decreases, the space between the molecules A) Increases. B) Decreases. C) Stays the same. D) None of the above. Show Answer Correct Answer: B) Decreases. 43. Which of the following is an assumption of the kinetic-molecular theory of gases? A) Gas particles move around in an orderly manner. B) The temperature of a gas depends on the average kinetic energy of the gas particles. C) Gases consist of closely spaced particles. D) Collisions between gas particles are inelastic. Show Answer Correct Answer: B) The temperature of a gas depends on the average kinetic energy of the gas particles. 44. The temperature at which a liquid changes to a gas A) Sublimation Point. B) Melting Point. C) Boiling Point. D) Heat of Vaporization. E) Heat of Fusion. Show Answer Correct Answer: C) Boiling Point. 45. At 20$^{o}$C, the same volume of helium and hydrogen gas will have A) The same average kinetic energy. B) The same kinetic energy for all particles. C) Different kinetic energy as they weigh different amounts. D) Different kinetic energy as the particles are different sizes. Show Answer Correct Answer: A) The same average kinetic energy. 46. Anything that has mass and takes up space is called A) Volumevolume. B) Electricity. C) Magnetism. D) Matter. Show Answer Correct Answer: D) Matter. 47. How does the Kinetic Theory explain the expansion of liquids when heated? A) Particles move closer together, causing expansion. B) Particles move faster and spread apart, causing expansion. C) Particles stop moving, causing expansion. D) Particles move in a fixed pattern, causing expansion. Show Answer Correct Answer: B) Particles move faster and spread apart, causing expansion. 48. Temperature is a measure of an object's average: A) Heat. B) Electro-static force. C) Kinetic energy. D) Density. Show Answer Correct Answer: C) Kinetic energy. 49. On which factor does the average kinetic energy of gas molecules depend? A) Temperature. B) Nature of the gas. C) Mass. D) Volume. Show Answer Correct Answer: A) Temperature. 50. Which state of matter have the weakest intermolecular forces? A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: C) Gas. 51. A molecule of an element composed of only one atom is known as: A) Monoatomic molecule. B) Diatomic molecule. C) Triatomic molecule. D) Polyatomic molecule. Show Answer Correct Answer: A) Monoatomic molecule. 52. Between ice, water and steam, which can spread rapidly? A) Ice. B) Water. C) Steam. D) None of the above. Show Answer Correct Answer: C) Steam. 53. If an atom has 15 protons, 16 neutrons, and 15 electrons, what element is it? A) Copper. B) Sulfur. C) Zinc. D) Phosphorous. Show Answer Correct Answer: D) Phosphorous. 54. Liquids have ..... shape and ..... volume. A) Definite; indefinite. B) Indefinite; definite. C) Indefinite; indefinite. D) Definite; definite. Show Answer Correct Answer: B) Indefinite; definite. 55. Joule is a SI unit for ..... A) Energy. B) Temperature. C) Vapor pressure. D) None of the above. Show Answer Correct Answer: A) Energy. 56. A vertical column on the periodic table A) Period. B) Table'. C) Row. D) Group. E) Division. Show Answer Correct Answer: D) Group. 57. A cup of water is at the same temperature as an entire lake of water.Which has the greater thermal energy? A) The lake of water. B) They both have no thermal energy. C) They have the same thermal energy. D) The cup of water. Show Answer Correct Answer: A) The lake of water. 58. Which is the best definition for evaporation? A) Liquid to gas at melting point. B) Solid to liquid at melting point. C) Liquid to gas at boiling point. D) Liquid to gas at any temperature. Show Answer Correct Answer: D) Liquid to gas at any temperature. 59. Which of the following is not one of the postulates of the Kinetic Molecular Theory for ideal gases? A) The collisions between particles are elastic. B) The particles attract and then repel each other. C) The particle size is very small compared to the space between the particles. D) The particles are in constant random motion. Show Answer Correct Answer: B) The particles attract and then repel each other. 60. What is the correct definition of Temperature? A) A measure of the internal energy of a body. B) The sum of all the kinetic and potential energies of the molecules within a substance. C) A measure of the kinetic energy of the particles in a substance. D) None of the above. Show Answer Correct Answer: C) A measure of the kinetic energy of the particles in a substance. ← 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books