Light of wavelength 450 nm is incident on a metal surface. The work function of the metal is 3.2 × 10⁻¹⁹ J.
(a) Calculate the energy of a photon of this light.
(b) Determine whether the photoelectric effect will occur.
(c) If the photoelectric effect does occur, calculate the maximum kinetic energy of the emitted electrons.
[h = 6.63 × 10⁻³⁴ J s, c = 3.0 × 10⁸ m/s]