Question

calculate energy of one mole of photons of radiation whose frequency is 5× 10 to the power of 4 hz

Answer 1

E=ENERGY

h=Planck's constant=6.625 × 10^-34 J sec

c=speed of light

f=frequency

w=wavelength

E=(h × c)/w

c=w × f

f=c/w

E=h × f

E=6.625 × 10^-34 × 5×10⁴

E=33.125 × 10^-30