Light through a prism

  • #1
How to draw ray daigrams for prisms.
 

Answers and Replies

  • #2
andrevdh
Homework Helper
2,128
116
At the air to glass interface (ray entering the prism) the ray refracts towards the normal and again away from the normal when it exits (ray travelling from glass to air). If one knows the refractive index the angle of refraction can be calculated.
 
  • #3
1,948
200
Use Snell's law.
 

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