A ray falls on a prism `ABC(AB=BC)` and travels as shown in adjoining figure.The minimum refraction index of the prism material should be -A. 43558B. `sqrt2`C. 1.5D. `sqrt3`

A ray falls on a prism `ABC(AB=BC)` and travels as shown in adjoining

1.	A ray falls on a prism `ABC(AB=BC)` and travels as shown in adjoining figure.The minimum refraction index of the prism material should be -A. 43558B. `sqrt2`C. 1.5D. `sqrt3`
Answer» Correct Answer - B (b) Angle I at bothfocus will be `45^(@)`. For TIR to take place, `igttheta_(C) or sinigtsintheta_(C)` `therefore 1/sqrt2gt1/muor mugtsqrt2`

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A ray falls on a prism `ABC(AB=BC)` and travels as shown in adjoining figure.The minimum refraction index of the prism material should be -A. 43558B. `sqrt2`C. 1.5D. `sqrt3`

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