MCQ
Threshold wavelength for photoelectric effect on sodium is 5000 Å. Its work function is
- A15 J
- B$16 \times 10^{-14} \mathrm{~J}$
- ✓$4 \times 10^{-19} \mathrm{~J}$
- D$4 \times 10^{-81} \mathrm{~J}$
✓
Answer
Correct option: C.
$4 \times 10^{-19} \mathrm{~J}$
(c) $4 \times 10^{-19} \mathrm{~J}$
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