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Question 21

A ray of light is incident on 'a plane mirror at an angle of 20o. This mirror is rotated through, twice this angle, In this new position the angle between the incident ray and the reflected ray is

  • A.20o
  • B.40o
  • C.80o
  • D.120o.
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1999
Question no.
#21
Type
Objective
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