Assertion (A): It is impossible to determine the exact
Question:

Assertion (A): It is impossible to determine the exact position and exact

the momentum of an electron simultaneously.

Reason (R): The path of an electron in an atom is clearly defined.

(i) Both A and R are true and R is the correct explanation of A.

(ii) Both A and R are true and R is not the correct explanation of A.

(iii) A is true and R is false.

(iv) Both A and R are false.

Solution:

Option (iii) A is true and R is false is correct.

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