Assertion : Spin quantum number can have two values, +1 2 and -1 … - Vidyadip

MCQ

Assertion : Spin quantum number can have two values, $+\frac{1}{2}$ and $-\frac{1}{2}$ .
Reason : $+$ and $-$ signs signify the positive and negative wave functions.

A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
✓
If the Assertion is correct but Reason is incorrect.
D
If both the Assertion and Reason are incorrect.

✓

Answer

Correct option: C.

If the Assertion is correct but Reason is incorrect.

c
Plus and minus signs of spin quantum numbers imply that spin angular momentum
of the electron, a vector quantity, acts in the same or opposite directions of orbital angular momentum.

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