This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What happens to the particles in a liquid when it is heated? A) They move slower. B) They move faster. C) They stop moving. D) They move in a fixed pattern. Show Answer Correct Answer: B) They move faster. 2. What is the significance of the Boltzmann constant? A) It relates pressure to volume in gases. B) The Boltzmann constant is significant as it connects temperature to energy at the microscopic level. C) It measures the speed of light in a vacuum. D) It defines the gravitational constant in physics. Show Answer Correct Answer: B) The Boltzmann constant is significant as it connects temperature to energy at the microscopic level. 3. According to the kinetic theory of gases, gas particles A) Do not always move in straight lines. B) Have most their volume occupied by empty space. C) Attract each other. D) Do not always move randomly. Show Answer Correct Answer: B) Have most their volume occupied by empty space. 4. Which of the following statements is true regarding the behavior of gases? A) Gases have a definite shape and volume. B) Gases expand to fill their container. C) Gases are incompressible. D) None of the above. Show Answer Correct Answer: B) Gases expand to fill their container. 5. When a cold tyre is inflated to a certain pressure and then is warmed up due to friction with the road, the pressure increases. This happens because the A) Air molecules hit the walls of the tire less frequently. B) Rubber in the tires reacts with oxygen in the atmosphere. C) Air molecules speed up and collide with the tire walls more often. D) Air molecules diffuse rapidly through the walls of the tire. Show Answer Correct Answer: C) Air molecules speed up and collide with the tire walls more often. 6. What type of relationship is Charles' Law? A) Direct. B) Inverse. C) All the above. D) None of the above. Show Answer Correct Answer: A) Direct. 7. How does the Kinetic Theory of Liquids explain the process of diffusion? A) Particles move from areas of low concentration to high concentration. B) Particles move randomly and spread out evenly over time. C) Particles do not move, preventing diffusion. D) Particles move in a fixed pattern, causing diffusion. Show Answer Correct Answer: B) Particles move randomly and spread out evenly over time. 8. The bubbles in the boiling water are ..... A) Gas particles with high energy. B) Sulfur. C) The particles that do not have sufficient energy. D) Atractive forces. Show Answer Correct Answer: A) Gas particles with high energy. 9. 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. 10. 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. 11. What is the unit used to measure the mass of sub-atomic particles? A) Grams. B) Smol Grams. C) Quarks. D) Atomic Mass Units (AMUs). Show Answer Correct Answer: D) Atomic Mass Units (AMUs). 12. 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. 13. How many valence electrons does calcium have? A) 2. B) 4. C) 6. D) 7. Show Answer Correct Answer: A) 2. 14. If an element has 19 protons, 22 neutrons, and 18 electrons, what element is it? A) Potasium. B) Calcium. C) Argon. D) Titanium. Show Answer Correct Answer: A) Potasium. 15. If an atom has 15 protons, 16 neutrons, and 15 electrons, what is it's charge? A) +1. B) -1. C) 0. D) +15. Show Answer Correct Answer: C) 0. 16. 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. 17. 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. 18. The phases of a substance are A) Cold, Medium, Hot. B) Low Energy, Medium Energy, High Energy. C) Solid, Liquid, Gas. D) Closely packed, not too far apart, far apart. Show Answer Correct Answer: C) Solid, Liquid, Gas. 19. The degree of freedom for a diatomic molecule is A) 2. B) 3. C) 5. D) 6. Show Answer Correct Answer: C) 5. 20. 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. 21. 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. 22. Which phase change is associated with the specific latent heat of vaporization? A) Solid to liquid. B) Liquid to gas. C) Gas to solid. D) Liquid to solid. Show Answer Correct Answer: B) Liquid to gas. 23. In which state do the molecules have enough kinetic energy to overcome the intermolecular forces? A) Gas. B) Liquid. C) Solid. D) Kentucky. Show Answer Correct Answer: A) Gas. 24. Cooling a substance ..... molecular motion A) Increases. B) Decreases. C) All the above. D) None of the above. Show Answer Correct Answer: B) Decreases. 25. Celsius= Kelvin-273 A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← PreviousNext →Related 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 8Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 9Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books