1.

Assertion (A): It is impossible to determine the exact position and exact momentum of an electron simutaneously Reason (R) : The path of an electron in an atom is clearly defined

Answer»

Both A and R are true and R is the CORRECT EXPLANATION of A
Both A and R are true but R is not the correct explanation of A
A is true but R is false
Both A and R are false

Solution :Correct R. The path of an electron in an atom is not CLEARLY defined because its position cannot be measured with absolute ACCURACY.


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