Select the WRONG statement.
A. 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:A
Select the WRONG statement.
A. 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.