1.

A photon and an electron have equal energy E. \[{{\lambda }_{\text{photon}}}/{{\lambda }_{\text{electron}}}\] is proportional to [UPSEAT 2003; IIT-JEE (Screening) 2004]

A.            \[\sqrt{E}\]                           
B.            \[1/\sqrt{E}\]
C.            \[1/E\]                                    
D.            Does not depend upon E
Answer» C.            \[1/E\]                                    


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