| 1 |
Mercury is used as thermometric material because it has |
- A. Uniform thermal expansion
- B. Low freezing point
- C. Small heat capacity
- D. All the above properties
|
| 2 |
Process by which liquids changes into vapors is ............... . |
- A. Vaporization
- B. Evaporation
- C. Boiling
- D. None of above
|
| 3 |
The boiling point of mercury is: |
- A. -10 <sup>o</sup>C
- B. 150<sup>o</sup>C
- C. 375<sup>o</sup>C
- D. 457<sup>o</sup>C
|
| 4 |
Transfer of heat between two bodies which are at same temperature is: |
- A. Maximum
- B. Minimium
- C. Positive
- D. Zero
|
| 5 |
When ice is cooled below 0 <sup>o</sup>C it: |
- A. Expand
- B. Contracts
- C. Boils
- D. None of these
|
| 6 |
Heat capacity of 5 kg water is. |
- A. 2000 JK<sup>-1</sup>
- B. 2100 JK<sup>-1</sup>
- C. 21000 JK<sup>-1</sup>
- D. 210000 JK<sup>-1</sup>
|
| 7 |
Alcohol has specific heat in Jkg<sup>-1</sup> K<sup>-1</sup> is: |
- A. 2500
- B. 4200
- C. 1000
- D. 138.6
|
| 8 |
Kinetic energy of the molecules depends on its: |
- A. Temperature
- B. Surface are
- C. Density
- D. Volume
|
| 9 |
The unit of heat capacity is: |
- A. Jkg k
- B. JK<sup>-1</sup>
- C. Jkg<sup>-1 </sup>K
- D. J<sup>-1</sup>kg<sup>-1</sup>K<sup>-1</sup>
|
| 10 |
The device that is used to measure the temperature of a body called |
- A. Thermometer
- B. Acidimeter
- C. Barometer
- D. Clock timer
|
