#### Thermal Physics Four and Seven Marks Questions

10th Standard

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Science

Time : 01:00:00 Hrs
Total Marks : 55
5 x 4 = 20
1. Define and describe thermal expansion.

2. With an illustration, explain the method of Calculation for linear expansion of an object.

3. With an illustration, explain the method of Calculation for arial expansion of an object.

4. With an illustration, explain the method of Calculation for cubical expansion of an object.

5. State and explain Boyle's law.

6. 3 x 7 = 21
7. Derive the ideal gas equation.

8. Explain the experiment of measuring the real and apparent expansion of a liquid with a neat diagram.

9. If you keep ice at 0°C and water at 0°C in either of your hands, in which hand you will feel more chillness? Why?

10. 2 x 7 = 14
11. A container whose capacity is 70 ml is filled with a liquid up to 50 ml. Then, the liquid in the container is heated. Initially, the level of the liquid falls from 50 ml to 48.5 ml. Then we heat more, the level of the liquid rises to 51.2 ml. Find the apparent and real expansion.

12. Keeping the temperature as constant, a gas is compressed four times of its initial pressure. The volume of gas in the container changing from 20cc (V1 cc) to V2 cc. Find the final volume V2.