

MCQOPTIONS
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1. |
Consider the following particles in relation to the matter:π-Meson (Pi-meson)PhotonWhich among the above are considered to be mass less and charge less? |
A. | Only 1 |
B. | Only 2 |
C. | Both 1 & 2 |
D. | Neither 1 nor 2 |
Answer» C. Both 1 & 2 | |