This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following statements is false regarding boiling? A) Boiling occurs at any temperature. B) Bubbles are formed in the liquid. C) Boiling is relatively fast. D) Temperature remains constant. Show Answer Correct Answer: A) Boiling occurs at any temperature. 2. Internal energy is made up of ..... A) Kinetic energy only. B) Potential energy only. C) Kinetic energy and potential energy. D) All sorts of energy. Show Answer Correct Answer: C) Kinetic energy and potential energy. 3. Which of the following characteristics of evaporation does not apply to the boiling of liquids? A) Evaporation occurs over a wide range of temperature. B) Evaporation takes place at the surface of liquids. C) During evaporation, liquids are converted into vapour. D) During evaporation, intermolecular bonds between liquid particles are broken. Show Answer Correct Answer: A) Evaporation occurs over a wide range of temperature. 4. AT STP, A) T=273$^{ 0}$C, P=1.01x10$^{5}$ N/m$^{2}$. B) T=0K, P=1.01x10$^{5}$ N/m$^{2}$. C) T=273K, P=750 mm of Hg. D) T=273K, P=1.01x10$^{5}$ N/m$^{2}$. Show Answer Correct Answer: D) T=273K, P=1.01x10$^{5}$ N/m$^{2}$. 5. Internal energy of a substance is the sum of A) Internal KE of all all particles in the substance. B) Internal KE and PE of all all particles in the substance. C) Internal KE and Thermal Energy of all all particles in the substance. D) Internal KE and Gravitational Energy of all all particles in the substance. Show Answer Correct Answer: B) Internal KE and PE of all all particles in the substance. 6. The sea breeze is caused by: A) Conduction. B) Convection. C) Radiation. D) None of these. Show Answer Correct Answer: B) Convection. 7. According to the Kinetic Molecular Theory, temperature is directly proportional to the gas molecules' ..... A) Potential energy. B) Kinetic energy. C) Momentum. D) Pressure. Show Answer Correct Answer: B) Kinetic energy. 8. Internal kinetic energy increases when A) Temperature increases. B) Temperature decreases. C) Bonds between particles become stronger. D) Bonds between particles become weaker. Show Answer Correct Answer: A) Temperature increases. 9. Specific latent heat of vaporisation is A) The amount of heat required to change 1 kg of the substance from the solid to liquid phase without change in temperature. B) The amount of heat required to change 1 kg of the substance from the liquid to gaseous phase without change in temperature. C) The amount of heat required to change the temperature 1 kg of the substance by 1 degree Celcius. D) None of the above. Show Answer Correct Answer: B) The amount of heat required to change 1 kg of the substance from the liquid to gaseous phase without change in temperature. 10. 10 litres of benzene weight A) More in summer than in winter. B) More in winter than in Summer. C) Equal in winter and summer. D) There is no relation between weight and volume of benzene. Show Answer Correct Answer: B) More in winter than in Summer. 11. Which statement describes what happens as ice at 0$^\circ$C starts to melt to become water? A) Energy is absorbed and the temperature remains constant. B) Energy is absorbed and the temperature rises. C) Energy is released and the temperature remains constant. D) Energy is released and the temperature rises. Show Answer Correct Answer: A) Energy is absorbed and the temperature remains constant. 12. The change of solid directly into gas is called: A) Condensation. B) Deposition. C) Sublimation. D) Vaporization. Show Answer Correct Answer: C) Sublimation. 13. These changes in state are called physical changes because ..... A) The process can be reversed. B) The process cannot be reversed. C) They are chemical reactions. D) None of the above. Show Answer Correct Answer: A) The process can be reversed. 14. When a body is heated, then maximum rise will be in its A) Length. B) Surface area. C) Volume. D) Density. Show Answer Correct Answer: C) Volume. 15. Blocks of gold are made by pouring hot, molten gold into moulds. The gold cools to its melting point and begin to solidify.As it solidifies, its temperature[N12/1/9] & [N17/1/10] A) Decreases and energy is released from the gold. B) Decreases and no energy is released from the gold. C) Stays constant and energy is released from the gold. D) Stays constant and no energy is released from the gold. Show Answer Correct Answer: C) Stays constant and energy is released from the gold. 16. What happens to a thermal conductor when it touches a higher temperature object? A) Thermal energy from the object is quickly transferred to the conductor. B) Thermal energy in the object increases very quickly. C) Nothing happens, no energy is transferred. D) Thermal energy from the object is lost to the environment. Show Answer Correct Answer: A) Thermal energy from the object is quickly transferred to the conductor. 17. Explain why during melting, the temperature of the object stays constant A) Cause it's changing state. B) Cause the thermal energy is used to break strong bonds between particles instead of using it to raise the temperature. C) Cause the thermal energy is used to break weak bonds between particles instead of using it to raise the temperature. D) Cause the thermal energy is used to form strong bonds between particles instead of using it to raise the temperature. Show Answer Correct Answer: B) Cause the thermal energy is used to break strong bonds between particles instead of using it to raise the temperature. 18. The equation for calculating the energy involved in a substance being heated is Q = mC$\Delta$T. The quantity m has units of A) Kg. B) G. C) J/kg. D) $^{o}$C. Show Answer Correct Answer: A) Kg. 19. The temperature of a gas is increased. Which property of the gas must also increase? A) Volume. B) Pressure. C) Density. D) Internal energy. Show Answer Correct Answer: D) Internal energy. 20. A thermal conductor is a substance that A) Cannot conduct thermal energy. B) Can conduct any amount of thermal energy. C) Has a high thermal conductivity. D) Has a low thermal conductivity. Show Answer Correct Answer: C) Has a high thermal conductivity. 21. J of energy is required to increase the temperature of 2 kg of liquid by 4 $^\circ$C. What is the heat capacity of the liquid? A) 2250 J/K. B) 4500 J/K. C) 9000 J/K. D) 12 000 J/K. Show Answer Correct Answer: B) 4500 J/K. 22. Oscar and William are curious about why railway tracks have small gaps between them. Can you help them figure out why these expansion gaps are provided? A) To reduce friction. B) To allow thermal expansion. C) To increase strength. D) To reduce heat loss. Show Answer Correct Answer: B) To allow thermal expansion. 23. Boiling occurs at (1) while evaporation occurs at (2) A) Throughout the liquid; surface of liquid. B) Surface of the liquid; throughout the liquid. C) All the above. D) None of the above. Show Answer Correct Answer: A) Throughout the liquid; surface of liquid. 24. A heater supplies 80 J of energy to a block of metal. The temperature of the metal increases by 20 degC. What happens to the internal energy of the same block when its temperature falls by 10 degC? A) Decrease by 40 J. B) Decrease by 160 J. C) Increase by 40 J. D) Increase by 160 J. Show Answer Correct Answer: A) Decrease by 40 J. 25. $\frac{PV}{T}=$ A) Boyle's law. B) Charles's law of volume. C) Charles's law of pressure. D) Combined gas law. Show Answer Correct Answer: D) Combined gas law. ← PreviousNext →Related QuizzesClass 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 1Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 2Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 3Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 4Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 5Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 6Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 7Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 8Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 9Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books