Which of the following travel at or very near lightspeed?
A) neutrino
B) photon
C) Both of the above.
D) Z particle
E) All of the above.

Name: Which of the following travel at or very near lightspeed? A) neutrino B) photon C) Both of the above. D) Z particle E) All of the above.
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Question

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Neutrinos and photons both travel at or near the speed of light. Photons travel at the speed of light, while neutrinos, which have a very small mass, travel very close to it.

Which of the Following Travel at or Very near Lightspeed