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Class 11 Physics (Part Ii) Chapter 13 Thermal Properties Of Matter Quiz 23 (6 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. When solid changes to liquid

Correct Answer: B) Internal PE increases.

2. A 2 kW kettle containing boiling water is placed on a balance. It is left there and continues to boil for 5 minutes. The balance reading changes by 0.2 kg.What does this information give as an estimate for the specific latent heat of vaporisation of water?

Correct Answer: D) 3 000 000 J/kg.

3. What is the difference between an endothermic and exothermic process?

Correct Answer: B) Endothermic processes absorb heat; exothermic processes release heat.

4. Two marks on a glass rod 10 cm apart are found to increase their distance by 0.08 mm when the rod is heated from 0$^\circ$C to 100$^\circ$C. A flask made of the same glass as that of rod measures a volume of 1000 cc at 0$^\circ$C. The volume it measures at 100$^\circ$C in cc is

Correct Answer: A) 1002.4.

5. Internal Energy Comprise of .....

Correct Answer: D) Internal PE and Internal KE.

6. What is meant by the boiling point of a liquid [N13/1/9]

Correct Answer: D) The temperature at which it can exist as both liquid and gas.

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