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For maximum deviation D("max")....

For maximum deviation `D_("max")`.

A

emergent ray must graze the surface (face)

B

incident ray must graze the surface

C

`D_("max")=90^(@)+e-A`

D

`D_("min")=90^(@)+i-A`

Text Solution

Verified by Experts

The correct Answer is:
C
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