Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > The de-Broglie wavelength of an electron moving with a velocity 1.5×10^8 m/s is equal to that of a photon. The ratio of the kinetic energy of the electron to the energy of the photon is
The de-Broglie wavelength of an electron moving with a velocity 1.5×10^8 m/s is equal to that of a photon. The ratio of the kinetic energy of the electron to the energy of the photon is