Question

calculate the energy of a mole of photons of radiations having frequency = 5x10 raised to the power 14 hartz.​

Answer 1

HEY MATE!!!!

The energy of one photon (E) =hv

Here, h=6.626×10  

34

 js

 

v=5×10  

14

s  

−1

 

E=6.626×10  

−34

×5×10  

14

 

3.313×10  

−19

 j

Thus the energy of one mole of photons is E×A  

Where A is the Avogadro number

=3.313×10  

−19

j×6.022×10  

−23

 mol

=199.50×10  

−3

jmol

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