1.

The de-Broglie wavelength \[\lambda \] associated with an electron having kinetic energy E is given by the expression

A. \[\frac{h}{\sqrt{2mE}}\]
B. \[\frac{2h}{mE}\]
C. \[2mhE\]
D. \[\frac{2\sqrt{2mE}}{h}\]
Answer» B. \[\frac{2h}{mE}\]


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