1.

Photon having wavelength 310 nm is used to break the bond of \[{{A}_{2}}\] molecule having bond energy \[288\,kg\,mo{{l}^{-1}}\] then % of energy of photon converted to the K.E. is \[[hc=12400\,ev\,\overset{o}{\mathop{A}}\,,\,1\,ev=96\,kJ/mol]\]

A. 25
B. 50
C. 75
D. 80
Answer» B. 50


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