Reflection, refraction and lenses

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Question 45
Easy

A student directs a ray of light towards a rectangular glass block. The ray strikes the surface of the block at point P.

A ray of light is incident perpendicular to the flat face of a rectangular glass block at point P.

State why the ray of light does not change direction as it enters the glass block at P.

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Reflection, refraction and lenses Questions

  1. GCSE
  2. /Physics
  3. /Reflection, refraction and lenses