This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The particles of ..... generally have the least amount of energy. A) Solids. B) Liquids. C) Gases. D) None of the above. Show Answer Correct Answer: A) Solids. 2. Brownian motion A) Makes it possible to see the motion of air molecules. B) Is caused by the collisions of smoke particles. C) Is caused by collisions between air molecules and smoke particles. D) Occurs because air is a mixture of gases and the molecules have different masses. Show Answer Correct Answer: C) Is caused by collisions between air molecules and smoke particles. 3. In kinetic theory what do we assume about collisions of gas particles? A) Elastic. B) Inelastic. C) Constant. D) Electric. Show Answer Correct Answer: A) Elastic. 4. In the kinetic theory of gases, what is the relationship between temperature and kinetic energy? A) Kinetic energy increases with temperature. B) Kinetic energy decreases with temperature. C) Kinetic energy is independent of temperature. D) Kinetic energy is inversely proportional to temperature. Show Answer Correct Answer: A) Kinetic energy increases with temperature. 5. What is the effect of increasing temperature on the kinetic energy of gas particles? A) Kinetic energy decreases. B) Kinetic energy increases. C) Kinetic energy remains constant. D) Kinetic energy becomes zero. Show Answer Correct Answer: B) Kinetic energy increases. 6. What does the kinetic theory state? A) All particles of matter are in constant motion. B) All particles of matter are in constant temperature. C) All the above. D) None of the above. Show Answer Correct Answer: A) All particles of matter are in constant motion. 7. The pressure of an ideal gas in a closed container is p, and the mean kinetic energy of the molecules is E. If the mean kinetic energy increase to 9E, what is the pressure of the gas? A) 3p. B) 9p. C) 27p. D) 81p. Show Answer Correct Answer: B) 9p. 8. Covalent bonds form between A) Metals. B) Nonmetals. C) Metal + nonmetal. D) Gases and liquids. Show Answer Correct Answer: B) Nonmetals. 9. The temperature of a liquid when its begins to form a crystal lattice is its ..... A) Boiling point. B) Melting point. C) Freezing point. D) Cooling point. Show Answer Correct Answer: C) Freezing point. 10. The property of a liquid that brings the molecules closer together. A) Surface tension. B) Viscosity. C) Amorphous. D) None of the above. Show Answer Correct Answer: A) Surface tension. 11. Adding heat to a liquid makes the particles move more quickly A) I agree with this statement. B) I do not agree with this statement. C) You cannot add heat to a liquid. D) None of the above. Show Answer Correct Answer: A) I agree with this statement. 12. A solid whose name comes from a Greek word meaning "without form." A) Colloid. B) Amorphous. C) Plasma. D) Liquid crystals. Show Answer Correct Answer: B) Amorphous. 13. ..... passing close to one another exert an attraction on each other. A) Real gas particles. B) Ideal gas particles. C) All the above. D) None of the above. Show Answer Correct Answer: A) Real gas particles. 14. What phase is this describing?Has a definite shape, Has a definite volume, Particles move very quickly, Particles have strong forces between them A) Solid. B) Liquid. C) Gas. D) None!. Show Answer Correct Answer: D) None!. 15. The temperature at which all molecular motion stops is A) -460 $^{.}$C. B) -273K. C) 0K. D) 0$^{.}$C. Show Answer Correct Answer: C) 0K. 16. Which of the following best describes the motion of particles in a gas according to the kinetic theory? A) Particles move in straight lines until they collide with something. B) Particles move in circular paths. C) Particles are fixed in place. D) Particles move in a zigzag pattern. Show Answer Correct Answer: A) Particles move in straight lines until they collide with something. 17. Which of the following is not a physical property of gases? A) Absence of definite volume. B) Large density. C) High compressibility. D) Fluidity. Show Answer Correct Answer: B) Large density. 18. If n and T are held constant, the ideal gas law reduces to A) Charles' law. B) Boyle's law. C) Avogadro's principle. D) Zero. Show Answer Correct Answer: B) Boyle's law. 19. On this temperature scale, "zero" represents the temperature at which molecules have the lowest energy possible A) Fahrenheit Scale. B) Celsius Scale. C) Kelvin Scale. D) None of the above. Show Answer Correct Answer: C) Kelvin Scale. 20. A student uses a microscope to observe pollen moving on the surface of water. Which statement describes the reason for this movement?0625/21/M/J/23 A) Water molecules are moved by microscopic pollen particles. B) Water molecules are moved by pollen molecules. C) Microscopic pollen particles are moved by water molecules. D) Pollen molecules are moved by water molecules. Show Answer Correct Answer: C) Microscopic pollen particles are moved by water molecules. 21. The solubility of gases in liquids can be decreased best by using- A) Lower temperature and pressure. B) Lower temperature and higher pressure. C) Higher temperature and pressure. D) Higher temperature and lower pressure. Show Answer Correct Answer: D) Higher temperature and lower pressure. 22. Convert 35 C to Kelvin A) 35 K. B) 308 K. C) 238 K. D) 300 K. Show Answer Correct Answer: B) 308 K. 23. Kinetic energy is what type of energy? A) Chemical. B) Electric. C) Motion. D) Sound. Show Answer Correct Answer: C) Motion. 24. The more energy particles have ..... A) The faster they move. B) The farther apart they tend to be. C) The hotter they are. D) All of the above. Show Answer Correct Answer: D) All of the above. 25. According to the kinetic theory, what is the main difference between the particles in a liquid and a gas? A) Particles in a liquid are more energetic than in a gas. B) Particles in a liquid are less energetic and more closely packed than in a gas. C) Particles in a liquid are more spread out than in a gas. D) Particles in a liquid are ionized while in a gas they are not. Show Answer Correct Answer: B) Particles in a liquid are less energetic and more closely packed than in a gas. ← 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 10Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books