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Q. No.| Assertion (A): | It is impossible to determine the exact position and exact momentum of an electron simultaneously. |
| Reason (R): | The path of an electron in an atom is clearly defined. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Â Heisenberg Uncertainty Principle |
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