Question

What is the frequency in Hz of a photon of light with energy of 1.5 x 10^-21 J?

Answer 1

Answer:

V=2.5*10^12

Explanation:

E=HV

H=6.626*10^-34 APPRRX 6*10^-34

V=E/H=1.5*10^-21/6*10^-34

V=0.25*10^13