Calculate the energy (J) of (a) a photon with wavelength 1.95 x 10^2 nm, and (b) a photon with frequency 1.58 x 10^8 s^-1. (c) calculate the kinetic energy of an electron ejected by the photon in part (a) from a metal with a bindi ng energy of 4.33 eV. (1 eV= 1.602 x 10^-19 J).
A)
B)
C)
