This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 23 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A unit or counting number used to show a large amount or quantity of particles A) Temperature. B) Volume. C) Pressure. D) Moles. Show Answer Correct Answer: D) Moles. 2. The heat absorbed when 1 kg of a liquid vaporizes at its normal boiling point is called ..... A) Heat of vaporization. B) Heat of fusion. C) Vaporization. D) Vapor pressure. Show Answer Correct Answer: A) Heat of vaporization. 3. Compared to the particles in liquids and gases, the particles in solids have a ..... amount of energy. A) Small. B) Medium. C) Large. D) Super size. Show Answer Correct Answer: A) Small. 4. The Kinetic Theory of Matter states that all matter is made of atoms/molecules that are in constant A) Chaos. B) Collisions. C) Motion. D) None of the above. Show Answer Correct Answer: C) Motion. 5. Convert:-194 C to F: A) -317.2 F. B) 338.5 K. C) -273 C. D) 0 K. Show Answer Correct Answer: A) -317.2 F. 6. The sub-atomic particle that is so small that the mass is nearly zero is called what? A) Proton. B) Neutron. C) Electron. D) Quark. Show Answer Correct Answer: C) Electron. 7. What is the effect on gas particles when the temperature is lowered, according to the kinetic theory? A) The particles move more slowly. B) The particles move more quickly. C) The particles expand. D) The particles become charged. Show Answer Correct Answer: A) The particles move more slowly. 8. Subatomic particle with a charge of 0 A) Neutron. B) Proton. C) Electron. D) Quark. Show Answer Correct Answer: A) Neutron. 9. Freezing 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 liquids cools and goes from a liquid to a solid. D) None of the above. Show Answer Correct Answer: C) When a liquids cools and goes from a liquid to a solid. 10. What would cause a decrease in particle movement? A) Decrease atoms. B) Increase in space between atoms. C) Decrease in temperature. D) Increase in mass. Show Answer Correct Answer: C) Decrease in temperature. 11. A measure of the average kinetic energy of the particles in a sample of matter. A) Temperature. B) Meter. C) Second. D) None of the above. Show Answer Correct Answer: A) Temperature. 12. Which of the following states of matter can easily be compressed (made to fit into a small volume)? A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: C) Gas. 13. These will determine what element an atom is. A) Number of neutrons. B) Number of electrons. C) Number of atoms. D) Number of protons. Show Answer Correct Answer: D) Number of protons. 14. Define mean free path and its importance in gas behavior. A) Mean free path is the average distance a gas particle travels between collisions, important for understanding gas behavior. B) Mean free path refers to the speed of gas particles in a container. C) Mean free path is the time taken for gas particles to collide with each other. D) Mean free path is the total distance a gas particle travels in a vacuum. Show Answer Correct Answer: A) Mean free path is the average distance a gas particle travels between collisions, important for understanding gas behavior. 15. A physical change from gas to liquid is called ..... A) Expansion. B) Evaporation. C) Condensation. D) Sublimation. Show Answer Correct Answer: C) Condensation. 16. Very small particles of matter that make up protons and neutrons. A) Proton. B) Neutron. C) Electron. D) Atom. E) Quark. Show Answer Correct Answer: E) Quark. 17. The amount of energy required for the liquid at the correct temperature to become a gas. A) Melting Point. B) Boiling Point. C) Freezing Point. D) Heat of Fusion. E) Heat of Vaporization. Show Answer Correct Answer: E) Heat of Vaporization. 18. Which of the following is not an assumption of the kinetic theory of gases? A) Gas molecules move with the same speed, known as the r.m.s. speed. B) Gas molecules are in constant free random motion. C) Collisions between gas molecules are perfectly elastic. D) The size of a gas molecule is negligible compared to the distance between gas molecules. Show Answer Correct Answer: A) Gas molecules move with the same speed, known as the r.m.s. speed. 19. In which state of matter will there be the LARGEST space between molecules? A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: C) Gas. 20. What is the difference between particles in a gas and a solid? A) Gas particles are closer together. B) Solid particles move faster than gas particles. C) Solid particles expand on heating. D) Gas particles have more kinetic energy than solid particles. Show Answer Correct Answer: D) Gas particles have more kinetic energy than solid particles. 21. Oxygen molecules at temperature T have the same r.m.s. speed as helium molecules at 300 K. What is the temperature T? A) 106 K. B) 600 K. C) 850 K. D) 2400 K. Show Answer Correct Answer: D) 2400 K. 22. Which of the following experiments can demonstrate Charles's Law? A) Heating a balloon and observing its expansion. B) Compressing a gas in a syringe and measuring pressure changes. C) Mixing two gases and observing the reaction. D) Cooling a gas and measuring its pressure. Show Answer Correct Answer: A) Heating a balloon and observing its expansion. 23. An ideal gas is A) Not a real gas. B) A gas that only occurs under certain conditions. C) A gas that has particles that are slightly attracted to each other. D) A gas that behaves according to the laws of the Kinetic Theory. Show Answer Correct Answer: D) A gas that behaves according to the laws of the Kinetic Theory. 24. Energy of all molecules of a monatomic gas havinga volume V and pressure P is 3/2 PV . The total kinetic energy of all molecules of a diatomic gas at the sameVolume and pressure is A) $\frac{PV}{2}$. B) $\frac{3}{2}PV$. C) $\frac{5}{2}PV$. D) 3PV. Show Answer Correct Answer: C) $\frac{5}{2}PV$. 25. Between collisions with other particles and their container, gas particles ..... A) Travel fast in straight lines. B) Do not move at all. C) Travel in ever decreasing spirals. D) Have no energy. Show Answer Correct Answer: A) Travel fast in straight lines. ← 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