Question

Calculate the energy of em radiation with a wavelength of 220 nm

Answer 1

Answer:

E= 12400/wavelength

please calculate using it

Answer 2

E=hc/wavelength

In order to make the calculations easy u must remember that

h×c= 1242×10-9 m

E=1242×10-9 /220 ×10-9

E=5.64 J