Read the questions and select the best answer.
1.
| Assertion (A): | The time period of a pendulum changes for every oscillation. |
| Reason (R): | The pendulum takes the same time to complete each oscillation. |
2.
| Assertion (A): | One complete oscillation of a pendulum occurs when the bob moves from one extreme position to the other extreme position and back to the mean position. |
| Reason (R): | The bob must pass through the mean position during its motion. |