This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A letter or pair of letters used as a shorthand method of writing the name of an element is called the ..... A) Describer. B) Chemical Symbol. C) Chemical Letters. D) Atomic Number. Show Answer Correct Answer: B) Chemical Symbol. 2. What does Avogadro's constant, N$_{A}$, represent A) Number of molecules. B) Number of moles. C) Number of particles in 1 mole. D) Number of particles. Show Answer Correct Answer: C) Number of particles in 1 mole. 3. When the temperature of air inside a tyre (fixed volume) increases, the pressure inside the tyre increases because A) The air molecules collide with each other more vigorously and frequently. B) The air molecules collide with the walls of the tyre more vigorously. C) The air molecules collide with the walls of the tyre more frquently. D) The air molecules collide with the walls of the tyre more vigorously and frequently. Show Answer Correct Answer: D) The air molecules collide with the walls of the tyre more vigorously and frequently. 4. The ability or tendency to float. A) Viscosity. B) Buoyancy. C) Kinetic theory. D) None of the above. Show Answer Correct Answer: B) Buoyancy. 5. According to the kinetic molecular theory, the molecules of an ideal gas A) Have a strong attraction for each other. B) Have significant volume. C) Move in random, constant, straight-line motion. D) Are closely packed in a regular repeating pattern. Show Answer Correct Answer: C) Move in random, constant, straight-line motion. 6. In the kinetic theory of gases, what is the significance of the term $\frac{1}{2}mv^2$ A) It represents the potential energy of gas particles. B) It represents the kinetic energy of gas particles. C) It represents the pressure of the gas. D) It represents the volume of the gas. Show Answer Correct Answer: B) It represents the kinetic energy of gas particles. 7. When any kind of gas such, as nitrogen or carbon dioxide, is heated, it A) Sublimates. B) Evaporates. C) Explodes. D) Expands. Show Answer Correct Answer: D) Expands. 8. For an ideal gas at constant temperature and pressure p at volume V, what affect would halving the pressure have on the volume? A) Volume would double. B) Volume would halve. C) Volume would triple. D) None. Show Answer Correct Answer: A) Volume would double. 9. The Kinetic Theory of Matter states that all matter A) Is made of small particles. B) The particles are in random motion and have space between them. C) All of the above are true. D) None of the above. Show Answer Correct Answer: C) All of the above are true. 10. Which of the following best describes the concept of absolute zero in the context of kinetic theory? A) The temperature at which molecular motion ceases. B) The temperature at which gas pressure is maximum. C) The temperature at which gas volume is maximum. D) The temperature at which gas density is maximum. Show Answer Correct Answer: A) The temperature at which molecular motion ceases. 11. The state of matter with definite volume, but no definite shape is A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: B) Liquid. 12. Thermal energy is the same as A) The kinetic energy. B) The temperature. C) The potential energy. D) The sum of the kinetic and potential energy of all the particles of an object. Show Answer Correct Answer: D) The sum of the kinetic and potential energy of all the particles of an object. 13. True or False:Plasma is not commonly found in its natural state. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Which of the following is not an assumption of kinetic theory of gases? A) The total volume of the particles are negligible compare to the volume of container. B) The number of particles are large. C) The particles are moving with the same speed. D) The collisions of particles are elastic. Show Answer Correct Answer: C) The particles are moving with the same speed. 15. A chunk of ice is added to a bowl of hot soup. Which following statement is true? A) Heat leaves the soup and enters the ice. B) Cold leaves the ice and enters the soup. C) Heat is passed back and forth between the ice and the soup. D) No heat is exchanged. Show Answer Correct Answer: A) Heat leaves the soup and enters the ice. 16. According to kinetic theory of gases, at absolute zero of temperature A) Water freezes. B) Liquid helium freezes. C) Molecular motion stops. D) Liquid hydrogen freezes. Show Answer Correct Answer: C) Molecular motion stops. 17. How does increasing temperature affect particle motion in a substance? A) It decreases thermal energy and slows particles. B) It increases thermal energy and makes particles move faster. C) It causes particles to become fixed in place. D) It turns solids directly into gases. Show Answer Correct Answer: B) It increases thermal energy and makes particles move faster. 18. According to Kinetic Theory:Particles are always moving. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Kinetic Theory is that submicroscopic particles move in ..... and ..... motion A) Clear; consistent. B) Random; Constant. C) Uniform; Straight. D) Strange; Crazed. Show Answer Correct Answer: B) Random; Constant. 20. The energy of motion is called ..... A) Emotive energy. B) Unstatic energy. C) Kinetic energy. D) Kelvin energy. Show Answer Correct Answer: C) Kinetic energy. 21. Average Temperature and Average Kinetic Energy have a ..... relationship A) Inversely proportional. B) Directly proportional. C) All the above. D) None of the above. Show Answer Correct Answer: B) Directly proportional. 22. What happens to particle movement/speed when energy is added to a phase? A) Particles slow down. B) Particles go faster. C) Particles don't move. D) Particles stay the same speed. Show Answer Correct Answer: B) Particles go faster. 23. Boiling and evaporation are different processes. Which statement is not correct? A) Boiling occurs throughout the entire liquid but evaporation only occurs at the surface. B) Evaporation can only occur when the temperature of the liquid is high enough. C) Evaporation causes the temperature of a liquid to fall. D) When a boiling liquid is heated its temperature remains constant. Show Answer Correct Answer: B) Evaporation can only occur when the temperature of the liquid is high enough. 24. The r.m.s velocity of the molecules of an ideal gas is C at a temperature of 100K. at what temperature is r.m.s. velocity will be doubted? A) 200 K. B) 400 K. C) 300 K. D) 50 K. Show Answer Correct Answer: B) 400 K. 25. If you place a balloon in a freezer what happens to the size of the balloon? A) Doubles. B) Increases. C) Decreases. D) Stays still. Show Answer Correct Answer: C) Decreases. ← PreviousNext →Related QuizzesClass 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 1Class 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 10Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books