a ray of light is incident normally on an equilateral prism of refractive index 3/2 calculate devition

Dear Vedesh,

since the prism is equilateral therefore angle of prism is 60⁰ 

=> angle of refraction is 30⁰

applying snell\''s law,,,,

sini * 1=sin30⁰ *sqrt(3)

=>sini=sqrt()3 / 2,

=> i=60⁰

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