A photoelectric cell is a device which
- Aconverts light energy into electric energy
- Bconverts electric energy into light energy
- Cstores light energy
- DNone of the above
Show answer and explanation
Correct answer: (a) converts light energy into electric energy
Explanation
A photoelectric cell (photocell) converts light energy into electrical energy based on the photoelectric effect.
Incident photons eject electrons from a photosensitive surface, producing an electric current; the effect was explained by Albert Einstein (Nobel Prize, 1921).