Yellow light is refracted through a prism producing minimum deviation. If i1 and i2 denote the angle of incidence and emergence for this prism, then
A. i1 = i2
B. i1 > i2
C. i1 < i2
D. i1 + i2 = 90°
Answer:A
Yellow light is refracted through a prism producing minimum deviation. If i1 and i2 denote the angle of incidence and emergence for this prism, then
A. i1 = i2 B. i1 > i2 C. i1 < i2 D. i1 + i2 = 90°