Answer to Question #280262 in Optics for Adi

Question #280262

Prove that dispersive power is always positive?


1
Expert's answer
2021-12-19T18:22:44-0500

(1) No, it is always positive because R.I. for violet colour is alwasy greater than the R.I. for red colour

Where R.l. =refractive index

(2) dispersive power is always positive


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