The de Broglie wavelength of a photon is twice the de Broglie wavelength of an electron. The speed of the electron is ve = \(\rm \frac{c}{100}\). Then
1
\(\frac{E_e}{E_p} =10^{-4}\)
2
\(\frac{E_e}{E_p} =10^{-2}\)
3
\(\frac{P_e}{m_ec} =10^{-1}\)
4
\(\frac{P_e}{m_ec} =10^{-4}\)