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ICSE Class 10 Physics Question 4 of 20

Solved 2017 Question Paper ICSE Class 10 Physics — Question 10

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Question

Question 2(e)

State the conditions required for total internal reflection of light to take place. [2]

Answer

The conditions required for total internal reflection are:

  1. The light must travel from a denser medium to a rarer medium.
  2. The angle of incidence of light in the denser medium must be greater than the critical angle for that pair of media.