Question
Question: If threshold wavelength (lŗ) for ejection of electron from a metal is 330 nm, then work function for...
If threshold wavelength (lŗ) for ejection of electron from a metal is 330 nm, then work function for the photoelectric emission is
A
6 × 10–10 J
B
1.2 × 10–18 J
C
3 × 10–19 J
D
6 × 10–19 J
Answer
6 × 10–19 J
Explanation
Solution
W0 = λ0hc