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How can we define the dispersive power of a prism material?

How can we define the dispersive power of a prism material?

Grade:12th Pass

2 Answers

Gautham Pai M K
35 Points
8 years ago

Dispersive power is the ratio of angular dispersion to the mean deviation.

For example the dispersive powers of red light and violet light are as follows: dv-dr/(dv+dr/2)=nv-nr/(nv+nr/2)-1

hemanth
37 Points
7 years ago

ans)The ratio of angular to mean deviation

it is independent on angle of prism

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