A ray incident at 15° on one refracting surface of a prism of angle 60°, suffers a deviation of 55°. What is the angle of emergence?
A. 95°
B. 45°
C. 30°
D. none of these
Answer:D
A ray incident at 15° on one refracting surface of a prism of angle 60°, suffers a deviation of 55°. What is the angle of emergence?
A. 95° B. 45° C. 30° D. none of these