Photoelectric Charging

Most recent answer: 12/10/2009

Q:
Can't a body be charged by photoelectric effect...
- Prudhvi Raj Borra (age 16)
Machilipatnam,Andhra,India.
A:
Certainly, but not very much. After a body is charged a bit, the potential energy for another electron to leave (increasing the charge) will exceed the photon energy, so the charging will cease.

Mike W.

(published on 12/10/2009)