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- The figure that is not a direct manifestation of the quantumnature of atom is :Option: 1 Option: 2
The figure that is not a direct manifestation of the quantumnature of atom is :
Option: 1 
Option: 2 
Option: 3 
Option: 4 
Answers (1)
Photoelectric effect (option 2), atomic spectrum (option 3), and Black body radiations (option 1) may be explained by quantum theory. As on increasing temperature, all the values of internal energy becomes possible, it is not directly explained from quantum theory.
The internal energy of ‘Ar’ or any gas, has nothing to do with Quantum nature of atom hence
Therefore, Option 4 is correct.
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