Question

Calculate the frequency (Hz) of a photon of red light having an energy of 2.7 x 10-19J ? (Note: Planck's constant, h = 6.63 x 10-34 J.s)

Answer 1

Explanation:

Energy of a photon E = h * v

where v = frequency of photon

so v = E / h = 2.7 * 10-19 / 6.63 * 10-34

= 4.072 * 10^14 Hz

I hope you understand (•‿•)