2.1 The Nature of Radiant Energy The Duality of light: ● Refraction ● Reflection ● Diffraction ● Scattering (21) V frequency, c velocity of light, n wavelength, v wave number2.1 The Nature of Radiant Energy The Duality of Light: 1. Wave properties ⚫ Refraction ⚫ Diffraction cv c v = =  ⚫Reflection ⚫Scattering V frequency, C velocity of light ,  wavelength, v wave number __ (2.1) -