The wavelength of an electron of kinetic energy 4.50 × 10^-29 J is ____ × 10^-5 m. (Nearest integer) Given: mass of electron is 9 × 10^-31 kg, h =6.6…

The wavelength of an electron of kinetic energy $\displaystyle 4.50 \times 10^{-29} \mathrm{~J}$ is $\displaystyle \_\_\_\_$ $\displaystyle \times 10^{-5} \mathrm{~m}$. (Nearest integer) Given : mass of electron is $\displaystyle 9 \times 10^{-31} \mathrm{~kg}, \mathrm{~h}=6.6 \times 10^{-34} \mathrm{~J} \mathrm{~s}$