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  • Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Assertion (A): It is impossible to determine the exact position and exact momentum of an electron simultaneously.

In the following question, a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question.

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 and R is not the correct explanation of A.
  3. A is true and R is false.
  4.  Both A and R are false.

Answers (1)

The answer is the option (iii) A is true, and R is false.

Explanation: The effect of Heisenberg Uncertainty Principle is considerable specifically for the microscopic objects’ motion and is in fact negligible for the macroscopic objects.

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