Question

Number of moles of photons in a light radiation with frequency 5 x 1014 ,and energy 2 x 105 J are

Answer 1

Explanation:

The energy of one photon (E) =hv. Here, h =6.626×1034 js. v=5×1014s−1. E=6.626×10−34× 5×1014. 3.313×10−19 j. Thus the energy of on