NEET Physics Ray Optics and Optical Instruments Questions Solved


A glass prism μ=1.5 is dipped in water μ=4/3 as shown in figure. A light ray is incident normally on the surface AB. It reaches the surface BC after totally reflected, if

                  

(a) sinθ  89                            (b) 23<sinθ < 89

(c) sin θ  23                            (d) It is not possible

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