Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 5 (25 MCQs)

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1. Which process demonstrates an increase in internal energy?
2. Which of the following statements is false about evaporation?
3. The rate of evaporation is affected by several factors. Which statement describes one of the factors appropriately?
4. While a liquid is boiling, its temperature
5. What happens to the arrangement of particles as thermal energy is removed from a substance?
6. Which state of matter has particles with the MOST kinetic energy?
7. An aluminium block has a mass of 200 g.The specific heat capacity of aluminium is 900 J/(kg $^\circ$C).How much energy is needed to increase the temperature of the block from 20 $^\circ$C to 110 $^\circ$C?
8. When temperature increase, internal KE increase, the particles
9. How does heat transfer occur through conduction?
10. Real gas behave as an ideal gas at constant
11. The specific heat capacity of copper is 400 J/(kg $^\circ$C).A 2 kg mass of copper is heated for 40 s by a 100 W heater.What is the maximum possible rise in temperature?
12. Atmospheric pressure is finded by a device called
13. What is temperature a measure of in a substance?
14. Two liters of boiling water have twice as much kinetic energy as one liter because:
15. What is the unit for thermal energy?
16. Which of the following states of matter has the LOWEST level of energy?
17. During condensation, thermal energy is
18. Two rods having thermal conductivities in the ratio of 5:3 and having equal lengths and equal cross-sections are joined face to face. If the temperature of free end of first rod is at 100$^\circ$C and the free end of second rod is at20$^\circ$C, then temperature of the junction is
19. Two identical metal rods are placed in different environments. One rod is left in the sun, while the other is kept in a cold, shaded area. Which of the following is true?
20. What is the total kinetic energy for two moles of He gas and two moles of O2 gas at the same temperature?
21. Which of the following is true of the Celsius scale?
22. A heater with a power rating of 1000 W is used to heat up some liquid.Assuming it takes 40 s to heat up 500 g of this liquid from 25$^\circ$C to 65$^\circ$C, what is the specific heat capacity of the liquid?
23. How tightly packed matter is in an object.
24. During solidification, temperature
25. During boiling, temperature