**Calculate energy:**

$\overline{){\mathbf{\u2206}}{\mathbf{E}}{\mathbf{=}}{\mathbf{h}}{\mathbf{v}}}$

▪ E = energy = J

▪ h = Planck's constant = 6.626x10^{-34} J∙s▪ ν = frequency = Hz or s

A radio wave has a frequency of 8.6 x 10^{8} Hz. What is the energy of one photon of this radiation?