Multiple choice general knowledge science & technology

Photons have mass

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Photons are massless particles that carry electromagnetic radiation. According to modern physics, photons have zero rest mass, which is why they can travel at the speed of light. This is a fundamental principle in quantum mechanics and Einstein's theory of relativity - only massless particles can achieve light speed.