In a electron microscope,electrons are accelerated by potential difference of 100kV,find the de broglie wavelength. Solution: Since the kinetic energy is quite large,the effect of relativity must be considered here. E名+R名e( E2=E6+p2e2 h = 0.0370A p In a electron microscope, electrons are accelerated by potential difference of 100kV, find the de broglie wavelength. Solution: Since the kinetic energy is quite large, the effect of relativity must be considered here