Multiple choice

What is the correct relationship between photon momentum, Planck's constant and wavelength?

  1. p = hλ

  2. p = h/λ

  3. p = λ/h

  4. p = hλ2

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

The de Broglie relation states that the momentum p of a photon is equal to Planck's constant h divided by the wavelength lambda.