If the energy required to remove an electron from sodium is #8.23*10^-19# #J#,, what frequency of light will cause sodium to ionize?
1 Answer
Sep 15, 2016
The frequency is
Explanation:
The formula for the energy of a quantum of light is
#color(blue)(bar(ul(|color(white)(a/a) E = hfcolor(white)(a/a)|)))" "#
where
We can rearrange the formula to get
∴