Question

The energy per mole of photon of
electromagnetic radiation of wavelength
4000 Å is:
a) 3.0 x 10-12 erg b) 4.0 x 10-12 erg
c) 5.0 x 10-12 erg d) 6.0 x 10-12 erg​

Answer 1

Answer:

May be B) 4.0 x 10-12 erg