Physics 0625 · IGCSE · Light

Light — practice question

Two light beams are both red. One beam is moving through air, while the other is moving through water. The two beams have different brightness. Which quantity is identical for both sets of waves?

  • Aamplitude
  • Bfrequency
  • Cspeed
  • Dwavelength

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI