Question

Spin quantum number may take value of?

• A. $+\frac{1}{2}$
• B. $+\frac{1}{3}$
• C. $+\frac{1}{4}$
• D. $+\frac{1}{6}$

Answer 1

Answer: (A)

$+\frac{1}{2}$

Spin quantum number may take the values of $+\frac{1}{2}or-\frac{1}{2}$

$+\frac{1}{2}$ (spin clockwise)

$-\frac{1}{2}$ (anti-clockwise spin)

It cannot be $\frac{1}{3},\frac{1}{4},\frac{1}{6}$ spins