Question

What does the photoelectric effect show about the connection between light and electrons?

A. Light is composed of electrons.
B. It takes 2 photons of light to cause 1 electron to begin flowing.
C. Electrons are composed of light.
D. Light can remove electrons from atoms.

Answer 1

@abb0t it's A right?

Answer 2

light can eject electrons, but light is not made up of electrons.

Answer 3

so it's B then?

Answer 4

Nope.

Answer 5

then what is it?

Answer 6

if the light source is sufficiently high, it can ionize the atom by removing the electron. Please read up on this so you can understand this better: http://vergil.chemistry.gatech.edu/notes/quantrev/node4.html

Answer 7

ok thank you so much!