3.12 Photoelectric Effect

Multiple Choice

What happens when an electron absorbs electromagnetic radiation?

• It moves from a higher to a lower energy level

• It moves from a lower to a higher energy level

• It remains in the ground state

• It leaves the atom

Multiple Choice

What does the photoelectric effect describe?

• The absorption of photons by electrons

• The transition of an electron to a higher energy level

• The emission of electrons when light hits a material

• The reflection of light from a material

Multiple Choice

What is ionization energy?

• Energy required to add an electron to an atom

• Energy released when an electron is added to an atom

• Energy released when an electron moves to a lower energy level

• Energy required to remove the outermost electron of an atom

Multiple Choice

How is the energy of a photon related to its frequency?

• Not related

• Inversely proportional

• Directly proportional

• Equal to the speed of light

Multiple Choice

Which transition is associated with photons of the shortest wavelength?

• E2 to E3

• E1 to E2

• E4 to E5

• E1 to E5