- #1
Manasan3010
- 38
- 3
In this article, writer says that when atom is hit by photon it gets excited and expelled out of atom and this can be used to form images.
My questions are:
My questions are:
- Why didn't the electrons get to a higher energy level, instead of getting knocked out?
- How do we find the color(frequency of wave) using photoelectric cell?
- How do we find the intensity of the light using photoelectric cell?