Read the following to give the correct answer
1.
| Assertion (A): | A pendulum of fixed length takes the same time for each swing. |
| Reason (R): | The time of one oscillation depends on the length of the pendulum. |
2.
| Assertion (A): | Pendulum motion depends only on the length of the string. |
| Reason (R): | The size and weight of the bob do not affect the time of oscillation. |