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If nv, nr, nb are the refractive indices...

If `n_v, n_r, n_b` are the refractive indices of violet, red and blue light respectively, in a given medium then which of the following is true?

A

`n_v=n_v=n_r`

B

`n_vgtn_bgtn_r`

C

`n_vgtn_bltn_r`

D

`n_vgtn_rltn_b`

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