📊 General Science
Q. Consider the following particles in relation to the matter:
π-Meson (Pi-meson)
Photon
Which 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
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✅ Correct Answer: (B) Only 2

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