MCQ
The energy of one mole of photons of radiation of frequency $2 \times 10^{12}\,Hz$ in $Jmol ^{-1}$ is $.....$(Nearest integer) (Given: $h =6.626 \times 10^{-34}\,JS$ $\left. N _{ A }=6.022 \times 10^{23}\, mol ^{-1}\right)$
- A$796$
- ✓$798$
- C$797$
- D$785$