Answer the following assertion and reason questions with suitable answer:
1.
| Assertion: | There are small effects on other ends when the one end of the rod is only heated. |
| Reason: | Heat always flows from a region of lower temperature to higher temperature of the rod. |
2.
| Assertion: | As the temperature of a gas increases the K.E of molecules increases, but P.E. decreases. |
| Reason: | Due to the law of conservation of energy. |