Multiple choice

Light is a form of _ that travels in wave packets called? (andre)

  1. electrons, wavelengths

  2. energy, photons

  3. photons, wave packets

  4. energy, wavelengths

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

Light is a form of electromagnetic energy. It exhibits wave-particle duality and travels in discrete packets of energy called photons.