This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 15 Kinetic Theory Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is an assumption of the kinetic-molecular theory of gases? A) Collisions between gas particles are inelastic. B) Gases consist of closely spaced particles. C) Gas particles move around in an orderly manner. D) The temperature of a gas depends on the average kinetic energy of the gas particles. Show Answer Correct Answer: D) The temperature of a gas depends on the average kinetic energy of the gas particles. 2. The temperature at which a liquid changes to a gas A) Melting Point. B) Boiling Point. C) Sublimation Point. D) Heat of Fusion. E) Heat of Vaporization. Show Answer Correct Answer: B) Boiling Point. 3. At 20$^{o}$C, the same volume of helium and hydrogen gas will have A) The same average kinetic energy. B) The same kinetic energy for all particles. C) Different kinetic energy as they weigh different amounts. D) Different kinetic energy as the particles are different sizes. Show Answer Correct Answer: A) The same average kinetic energy. 4. Anything that has mass and takes up space is called A) Volumevolume. B) Matter. C) Magnetism. D) Electricity. Show Answer Correct Answer: B) Matter. 5. ..... is the amount of space an object takes up. A) Mass. B) Volume. C) All the above. D) None of the above. Show Answer Correct Answer: B) Volume. 6. How does the Kinetic Theory explain the expansion of liquids when heated? A) Particles move closer together, causing expansion. B) Particles move faster and spread apart, causing expansion. C) Particles stop moving, causing expansion. D) Particles move in a fixed pattern, causing expansion. Show Answer Correct Answer: B) Particles move faster and spread apart, causing expansion. 7. Temperature is a measure of an object's average: A) Electro-static force. B) Heat. C) Density. D) Kinetic energy. Show Answer Correct Answer: D) Kinetic energy. 8. On which factor does the average kinetic energy of gas molecules depend? A) Nature of the gas. B) Temperature. C) Volume. D) Mass. Show Answer Correct Answer: B) Temperature. 9. Which state of matter have the weakest intermolecular forces? A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: C) Gas. 10. A molecule of an element composed of only one atom is known as: A) Monoatomic molecule. B) Diatomic molecule. C) Triatomic molecule. D) Polyatomic molecule. Show Answer Correct Answer: A) Monoatomic molecule. 11. Between ice, water and steam, which can spread rapidly? A) Ice. B) Water. C) Steam. D) None of the above. Show Answer Correct Answer: C) Steam. 12. If an atom has 15 protons, 16 neutrons, and 15 electrons, what element is it? A) Phosphorous. B) Sulfur. C) Copper. D) Zinc. Show Answer Correct Answer: A) Phosphorous. 13. Liquids have ..... shape and ..... volume. A) Indefinite; definite. B) Definite; indefinite. C) Definite; definite. D) Indefinite; indefinite. Show Answer Correct Answer: A) Indefinite; definite. 14. Joule is a SI unit for ..... A) Energy. B) Temperature. C) Vapor pressure. D) None of the above. Show Answer Correct Answer: A) Energy. 15. The state of matter with definite volume but no definite shape. A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: B) Liquid. 16. A vertical column on the periodic table A) Group. B) Period. C) Table'. D) Row. E) Division. Show Answer Correct Answer: A) Group. 17. A cup of water is at the same temperature as an entire lake of water.Which has the greater thermal energy? A) The lake of water. B) They both have no thermal energy. C) They have the same thermal energy. D) The cup of water. Show Answer Correct Answer: A) The lake of water. 18. Which is the best definition for evaporation? A) Liquid to gas at melting point. B) Liquid to gas at boiling point. C) Liquid to gas at any temperature. D) Solid to liquid at melting point. Show Answer Correct Answer: C) Liquid to gas at any temperature. 19. Which of the following is not one of the postulates of the Kinetic Molecular Theory for ideal gases? A) The collisions between particles are elastic. B) The particles attract and then repel each other. C) The particle size is very small compared to the space between the particles. D) The particles are in constant random motion. Show Answer Correct Answer: B) The particles attract and then repel each other. 20. What is the correct definition of Temperature? A) A measure of the internal energy of a body. B) The sum of all the kinetic and potential energies of the molecules within a substance. C) A measure of the kinetic energy of the particles in a substance. D) None of the above. Show Answer Correct Answer: C) A measure of the kinetic energy of the particles in a substance. 21. Which state of matter listed here has particles spread the furthest apart? A) Solid. B) Liquid. C) Gas. D) Missouri. Show Answer Correct Answer: C) Gas. 22. A given quantity of an ideal gas is at pressure p and absolute temperature T. The isothermal bulk modulus of the gas is, A) $\frac{2p}{3}$. B) $p$. C) $\frac{3p}{2}$. D) $\gamma p$. Show Answer Correct Answer: B) $p$. 23. It is the most abundant state of matter in the universe. A) Bose-Einstein Condensate. B) Solid. C) Liquid. D) Gas. E) Plasma. Show Answer Correct Answer: E) Plasma. 24. The kinetic theory states A) Particles won't move if you don't apply energy to it. B) Particles only move in liquids and gases. C) Particles are always in motion. D) At the same temperature the object that has the most mass heats quicker. Show Answer Correct Answer: C) Particles are always in motion. 25. Which of the following best describe what happens when a solid changes to a gas? A) Thermal energy is released. B) There is no energy change. C) The particles stop moving. D) Thermal energy is absorbed. Show Answer Correct Answer: D) Thermal energy is absorbed. ← 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