Question

2. The dispersive powers of flint glass and crown glass are
0.053 and 0.034 respectively and their mean refractive
indices are 1.68 and 1.53 for white light. Calculate the
angle of the flint glass prism required to form an achromatic
combination with a crown glass prism of refracting angle
4º.
(1) 2°
(3) 5°
(2) 4°
(4) 6°​

Answer 1

❤️......Hello mate.......❤️