What is the minimum value of the refractive index for a `90^(@)-45^(@)-45^(@)` prism which is used to deviate a beam through `90^(@)` by total internal reflection ? A. `3//2`B. `sqrt(3)`C. `sqrt(2)`D. `5//3`

What is the minimum value of the refractive index for a `90^(@)-45^(@)

1.	What is the minimum value of the refractive index for a `90^(@)-45^(@)-45^(@)` prism which is used to deviate a beam through `90^(@)` by total internal reflection ? A. `3//2`B. `sqrt(3)`C. `sqrt(2)`D. `5//3`
Answer» Correct Answer - C

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What is the minimum value of the refractive index for a `90^(@)-45^(@)-45^(@)` prism which is used to deviate a beam through `90^(@)` by total internal reflection ? A. `3//2`B. `sqrt(3)`C. `sqrt(2)`D. `5//3`

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