Question

What is the energy of photon that corresponds to a wave number of 2.5*10-5 cm

Answer 1

Answer:

given wave number = 2.5*10-5 cm-1 = 2.5*10-3 m-1

energy of photons is given by E =hc*wave_number

E = 6.636*10^-34 * 3*10^8 * 2.5* 10-3 = 4.969*10^-28 Joules