This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A subatomic particle that has a positive charge and that is found in the nucleus of an atom A) Proton. B) Neutron. C) Electron. D) Atom. E) Quark. Show Answer Correct Answer: A) Proton. 2. What do we call the theory that we use to describe the particles in solids liquids and gases A) General Theory. B) Critical Theory. C) Kinetic theory. D) Potential Theory. Show Answer Correct Answer: C) Kinetic theory. 3. Which state of matter has the lowest kinetic energy? A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: A) Solid. 4. When something goes from gas to liquid, it is called ..... A) Evaporation. B) Condensation. C) Deposition. D) Freezing. Show Answer Correct Answer: B) Condensation. 5. A liquid is heated. Which of the following statements are incorrect? A) The liquid molecules expand. B) The intermolecular spacing increases. C) The molecules gain energy. D) The molecules move faster. Show Answer Correct Answer: A) The liquid molecules expand. 6. Covalent Compounds HAVE a positive (+) or negative (-) charge A) True. B) False. C) Que onda, Hagerman?. D) What was that now?. Show Answer Correct Answer: B) False. 7. As a material is heated, it's particles ..... A) Get smaller. B) Slow down. C) Get cooler. D) Move more quickly. Show Answer Correct Answer: D) Move more quickly. 8. Solids have high densities relative to liquids because 1 the particles in solids are far apart.2 the particles in solids have large masses.3 the particles in solids do not move about. A) 1 only. B) 2 only. C) 2 and 3 only. D) None of the above. Show Answer Correct Answer: D) None of the above. 9. The total energy of oxygen molecules, (where k$_{B}$ is Boltzmann constant). A) $\frac{1}{2}k_BT$. B) $\frac{3}{2}k_BT$. C) $\frac{5}{2}k_BT$. D) $\frac{9}{2}k_BT$. Show Answer Correct Answer: C) $\frac{5}{2}k_BT$. 10. A real gas differs from an ideal gas because the molecules of a real gas have A) Some volume and no intermolecular forces. B) Some volume and some intermolecular forces. C) No volume and no intermolecular forces. D) No volume and some intermolecular forces. Show Answer Correct Answer: B) Some volume and some intermolecular forces. 11. Which of the following statements is true according to the kinetic theory of gases? A) Gas particles are in constant random motion. B) Gas particles are stationary. C) Gas particles move in a fixed pattern. D) Gas particles do not collide with each other. Show Answer Correct Answer: A) Gas particles are in constant random motion. 12. According to Law of Equipartition of Energy A) Energy of the system of particles is equally distributed amongst various degrees of freedom. B) Energy possessed by each particle in each degree of freedom is KT/2. C) All the above. D) None of the above. Show Answer Correct Answer: C) All the above. 13. A change in pressure would have the greatest effect on the solubility of a A) Solid in a liquid. B) Gas in a liquid. C) Liquid in a liquid. D) Liquid in a solid. Show Answer Correct Answer: B) Gas in a liquid. 14. Which of the following statements about the particle of a gas is true? A) The particles of a gas vibrate about fixed positions. B) The particles of a gas are packed close together in a disorderly arrangement. C) The particles of a gas are far apart and move in all directions. D) The particles of a gas are stationary in an orderly arrangement. Show Answer Correct Answer: C) The particles of a gas are far apart and move in all directions. 15. Why does it take more energy to turn a solid into a liquid than to turn a liquid into a gas? A) Particles in a liquid are held together more tightly. B) Particles in a solid are held together more tightly. C) Particles in a gas are held together more tightly. D) Particles in a solid move faster than in a liquid. Show Answer Correct Answer: B) Particles in a solid are held together more tightly. 16. What does the ideal gas law equation $PV = nRT$ A) The relationship between pressure, volume, and temperature of a gas. B) The relationship between pressure and volume only. C) The relationship between volume and temperature only. D) The relationship between pressure and temperature only. Show Answer Correct Answer: A) The relationship between pressure, volume, and temperature of a gas. 17. What is the main difference between plasma and gasses? A) Plasma is spelled with a "P" while the "P" in gasses are silent. B) Plasma is good at conducting electricity while gasses tend not to. C) Plasma is hot while gasses aren't ever hot. D) There is no difference, they are both names for the same thing. Show Answer Correct Answer: B) Plasma is good at conducting electricity while gasses tend not to. 18. What does the symbol 'c' represent in the specific heat capacity formula? A) Heat energy. B) Mass. C) Specific heat capacity. D) Change in temperature. Show Answer Correct Answer: C) Specific heat capacity. 19. A hypothetical gas that perfectly fits all the assumptions of the kinetic molecular theory is known as A) Real gas. B) Ideal gas. C) Imaginary gas. D) Perfect gas. Show Answer Correct Answer: B) Ideal gas. 20. In terms of spacing, what is necessary to change from a liquid to a gas? A) Increase in spacing. B) Decrease in spacing. C) No change. D) Add heat. Show Answer Correct Answer: A) Increase in spacing. 21. What is the best definition for c A) The energy release when 1 kg of a substance changes in temperature by 1K. B) The change in temperature when 1000J are released rom a material. C) All the above. D) None of the above. Show Answer Correct Answer: A) The energy release when 1 kg of a substance changes in temperature by 1K. 22. Siti observes that she cannot compress a syringe filled with water, but she can do so when the same syringe is filled with air. This is because 1 the air molecules are farther apart than the water molecules.2 there are larger empty spaces between the air molecules compared to between the water molecules.3 the water molecules have weaker forces of attraction than air molecules A) 1 and 2 only. B) 2 only. C) 2 and 3 only. D) 3 only. Show Answer Correct Answer: A) 1 and 2 only. 23. Which of the following best describes the motion of particles in a liquid? A) They move in straight lines only. B) They move in circular paths only. C) They move randomly and are in constant motion. D) They do not move at all. Show Answer Correct Answer: C) They move randomly and are in constant motion. 24. A sample of oxygen occupies 47.2 liters under a pressure of 1240 Pa at 25$^{o}$C. What volume would it occupy at 25$^{o}$C if the pressure were decreased to 730 Pa? A) 27.8L. B) 29.3L. C) 80.2L. D) 47.8L. Show Answer Correct Answer: C) 80.2L. 25. Which of the following sentences are true about solids? A) Solids are rigid, have a fixed shape but not a fixed volume. B) Solids are not rigid, have a fixed shape and no fixed volume. C) Solids are rigid, have a fixed shape and a fixed volume. D) None of the above. Show Answer Correct Answer: C) Solids are rigid, have a fixed shape and a fixed volume. ← 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 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