Consider the following particles in relation to the matter: -Meson (Pi-meson)PhotonWhich among the above are considered to be mass less and charge less?

Consider the following particles in relation to the matter: -Meson (Pi

1.	Consider the following particles in relation to the matter: -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

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Consider the following particles in relation to the matter: -Meson (Pi-meson)PhotonWhich among the above are considered to be mass less and charge less?

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