| 1 |
Thermostat is a controlling switch: |
- A. Heat
- B. Temperature
- C. Sound
- D. Light
|
| 2 |
Dogs sweat through: |
- A. Tongue
- B. Legs
- C. Skin
- D. Glands
|
| 3 |
The unit of co-efficient of linear expansion : |
- A. K
- B. K<sup>-1</sup>
- C. Jkg<sup>-1</sup> K<sup>-1</sup>
- D. None of these
|
| 4 |
In summers the railways bends due to: |
- A. Expansion
- B. Contraction
- C. Both
- D. None
|
| 5 |
If the mass of a body is 'm' and change in its temperature isΔT, then the heat absorbed or released is given by |
- A. ΔQ = cmΔT
- B. ΔQ = mΔT
- C. ΔQ = 2cΔT
- D. ΔQ = cmΔT2
|
| 6 |
The changing of a liquid into vapours from the surface of the liquid <div> without heating:</div> |
- A. Cooling
- B. Vaporization
- C. Evaporation
- D. Sublimation
|
| 7 |
Heat travels from __________ |
- A. Colder to hotter
- B. Hotter to colder
- C. Both a & b are possible
- D. None of above
|
| 8 |
Degree of hotness or coldness a body is called: |
- A. Heat
- B. Internal Energy
- C. Temperature
- D. Potential energy
|
| 9 |
___________ specific heat of water is benefits in sustaining life. |
- A. High
- B. Low
- C. Medium
- D. None
|
| 10 |
How many scales of measurement of temperature are? |
- A. One
- B. Two
- C. Three
- D. Four
|
