Refraction-block experiment

• What is the purpose of the experiment described?

  To investigate refraction of light
• In what type of room should the experiment be conducted?

  In a dim room
• What equipment can be used to investigate refraction?

  A glass block
• What is required to describe the experiment?

  How to do it and what it shows
• What steps should be taken to measure light refraction in a glass block?

  1. Set up the glass block on a flat surface.
  2. Shine a thin beam of light at an angle into the block.
  3. Measure the angle of incidence and angle of refraction.
  4. Calculate the refractive index using Snell's Law.
• Why should a thin beam of light be used in the experiment?

  To ensure accurate measurement of refraction
• What are the marks allocated for describing the experiment?

  • 3 marks for the experiment description
  • 1 mark for explaining the beam of light