MCQ
The de$-$Broglie wavelength $\lambda$ associated with an electron having kinetic energy $E$ is given by the expression
- ✓$\frac{\mathrm{h}}{\sqrt{2} \mathrm{mE}}$
- B$\frac{2 \mathrm{~h}}{\mathrm{mE}}$
- C$2 \ mhE$
- D$\frac{2 \sqrt{2 \mathrm{mE}}}{\mathrm{h}}$