MCQ
Select the WRONG statement.
  • Smaller angle of prism is recommended for greater angular dispersion.
  • B
    Right angled isosceles glass prism is commonly used for total internal reflection.
  • C
    Angle of deviation is practically constant for thin prisms.
  • D
    For emergent ray to be possible from the second refracting surface, certain minimum angle of incidence is necessary from the first surface.

Answer

Correct option: A.
Smaller angle of prism is recommended for greater angular dispersion.
Smaller angle of prism is recommended for greater angular dispersion.

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