NEET Physics Hydrogen Atom Assertion Reason Question
Assertion (A): The total energy of an electron in a hydrogen atom is negative. | Reason (R): A positive total energy would imply that the electron is not bound to the nucleus and would not follow a closed orbit.
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.
A is false.
Correct Answer
Detailed Explanation
The NCERT context explains that the total energy of the electron is negative, implying it is bound to the nucleus. If the energy were positive, the electron would not follow a closed orbit.
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