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Question 32

The refractive index of a medium relative to air is 1.8. Calculate the critical angle for the medium to the nearest degree.

  • A.18o
  • B.34o
  • C.45o
  • D.68o
  • E.90o.
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1996
Question no.
#32
Type
Objective
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