For the same rectangular block which colour from the visible spectra will produce the maximum shift ?

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Solution

Lateral shift , $x = \frac{t sin (i - r)}{cos r}$
and since we know that violet lightis refracted by more angle than red light , hence lateral shift of violet light is maximum.

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For the same rectangular block which colour from the visible spectra will produce the maximum shift ?

Lateral shift , x=tsin(i−r)cosrand since we know that violet lightis refracted by more angle than red light , hence lateral shift of violet light is maximum.

Lateral shift , $x = \frac{t sin (i - r)}{cos r}$
and since we know that violet lightis refracted by more angle than red light , hence lateral shift of violet light is maximum.