The reason for normalizing a wavefunction is a) to guarantee that is square-integrable. b) to

• The reason for normalizing a wavefunction ψ is
• a) to guarantee that ψ is square-integrable.
• b) to make ψ*ψ equal to the probability distribution function for the particle.
• c) to make ψ an eigenfunction for the Hamiltonian operator.
• d) to make ψ satisfy the boundary conditions for the problem.
• e) to make ψ display the proper symmetry characteristics

• Which one of the following concepts did Einstein propose in order to explain the photoelectric effect?
• a) A particle of rest mass m and velocity v has an associated wavelength λ given by
• λ=h/mv.
• b) Doubling the intensity of light doubles the energy of each photon.
• c) Increasing the wavelength of light increases the energy of each photon.
• d) The photoelectron is a particle.
• e) None of the above is a concept proposed by Einstein to explain the photoelectric effect.