Homework Help: physics

Posted by Please help- Elena on Sunday, October 28, 2012 at 11:42am.

A ray of light is incident at an angle of 20degrees to the normal on one face of an equilateral prismm made in glass of refractive index 1.523. Trace the ray of light through the prism and find the total deviation produced.

physics - Please help- Elena, Sunday, October 28, 2012 at 12:09pm
Do i find i1' first?
sini1'= n1/n1'sini1
i1'= 1/1.523sin20
i1'=13degrees?

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