1) When discussing the ganeration of electron/holes pairs by light in semiconductors is it best to use the wave or particle rendition of light energy?
a. Wave
b.Particles
2)In what type of electron transition from valence to conduction band is momentum conserved?
a. direct
b. indirect
3) Can a 10% efficiency one square meter in area solar panel placed in direct sunlight power a 100 watt light bulb?
Yes or No
4) If electrons move toward or away from regions of high electron concentration?
a. Move toward
b. Move away
5) If electrons are moving in the presence of an electric field and the field in turned off, do they continue to move or come to rest with zero velocity?
a. Continue to move
b. come to rest