If c is the velocity  of light in free space, the correct statements about photon among the....

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If c is the velocity  of light in free space, the correct statements about photon among the following are:
A. The energy of a photon is E=hv
B. The velocity of a photon is c.
C. The momentum of a photon, p=hvc.
D. In a photon-electron collision, both total energy and total momentum are conserved.
E. Photon possesses positive charges.
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