| Q.9 | The rate of flow of heat through a simple homogeneous solid is: | |
| Ans | 1. Inversely proportional to the change of temperature with respect to the length of the path of the heat flow | |
| 2. Directly proportional to the thickness of the body in the direction of heat flow | ||
| 3. Inversely proportional to the area of the section at right angles to the direction of heat flow | ||
| 4. Directly proportional to the change of temperature with respect to the length of the path of the heat flow |
Correct Ans Provided: 4
