1 
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

2 
The temperature if steam is 
 A. 0°C
 B. 100°C
 C. 273°C
 D. 273°C

3 
If 'm' is a mass of a body and 'c' is its specific heat, then its heat capacity is a given by 
 A. m/c
 B. c/m
 C. mc
 D. mc2

4 
Process by which liquids changes into vapors is ............... . 
 A. Vaporization
 B. Evaporation
 C. Boiling
 D. None of above

5 
Kinetic energy of the molecules depends on its: 
 A. Temperature
 B. Surface are
 C. Density
 D. Volume

6 
In summers the railways bends due to: 
 A. Expansion
 B. Contraction
 C. Both
 D. None

7 
What will be the value of β for a solid for which α has a value of 2 x 10<sup>5</sup> C<sup>1</sup> 
 A. 2 x 10<sup>5</sup> K<sup>1</sup>
 B. 6 x 10<sup>5</sup> K<sup>1</sup>
 C. 8 x 10<sup>15</sup> K<sup>1</sup>
 D. 8 x 10<sup>5 </sup>K<sup>1</sup>

8 
Transfer of heat between two bodies which are at same temperature is: 
 A. Maximum
 B. Minimium
 C. Positive
 D. Zero

9 
Gallium (element) melts at: 
 A. 40 °C
 B. 30 °C
 C. 80 °C
 D. 90 °C

10 
Dogs sweat through: 
 A. Tongue
 B. Legs
 C. Skin
 D. Glands
