Questions
Two prisms A and B have dispersive powers of 0.012 and 0.018 respectively. The two prisms are in contact with each other. The prism ‘A’ produces a mean deviation of , the mean deviation produced by ‘B’ if the combination is achromatic is
detailed solution
Correct option is B
ωAδA-ωBδB=0 ⇒δB=0.012×1.200.018=0.80Talk to our academic expert!
Similar Questions
Flint glass prism is joined by a crown glass prism to produce dispersion without deviation. The refractive indices of these prisms for mean rays are known to be 1.602 and 1. 500, respectively. Let the angle of prism of flint prism be 10°, then what will be the angle of prism for crown prism?
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