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CUET
Physics
Dual Nature of Radiation and Matter
The equation E = pc is valid:
for an electron
for a photon
for a photon as well as for an electron
neither for an electron nor for a photon
According to relativistic formula
$E^2(pc)^2+(m_0c^2)^2$
For photon, $m_0=0$
$∴E=pc$