Read the questions and select the best answer.
1.
| Assertion (A): | A rubber sucker sticks tightly to a smooth surface when pressed. |
| Reason (R): | Air beneath the sucker is forced out, creating a low-pressure region inside. |
2.
| Assertion (A): | The SI unit of atmospheric pressure is pascal (\(Pa\)). |
| Reason (R): | Atmospheric pressure is commonly measured only in newtons (\(N\)). |