MCQ
If work function is $\phi$, then the formula for threshold wavelength is :
- A$\frac{ h \phi}{ c }$
- B$\frac{ c }{ h \phi}$
- C$\frac{\phi}{ hc }$
- ✓$\frac{ hc }{\phi}$
✓
Answer
Correct option: D.
$\frac{ hc }{\phi}$
(D) - $\frac{ hc }{\phi}$
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