Question

Derivate the angular dispersion and also explain angular dispersion..give me the derivation of angular dispersion.

Answer 1

$\huge \mathfrak {Answer:-}$

$\bold{Angular\:dispersion}$ produced by a prism for white light is the difference in the angle of deviation of two extreme colors.

$\bold{Expression:}$

​Angular dispersion  = δv - ​δr = ( μv -  μr) A

Where, 

$δ_{v}$ = deviation of violet colour

$δ_{r}$ = deviation of red colour.

A is angle of prism.

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