Answer:
Let x quanta of radiation provide 1 J of energy
\[E=xh\frac{c}{\lambda }\]
\[1=\frac{x\times 6.626\times
{{10}^{-34}}\times 3\times {{10}^{8}}}{4000\times {{10}^{-12}}}\]
On solving \[x=2.012\times {{10}^{16}}\] quanta
You need to login to perform this action.
You will be redirected in
3 sec