A glass prism of refractive index `1.5` is immersed in water (refractive index 4/3). A light beam incident normally on the face `AB` is totally reflected to reach the face `BC`, Fig. if : .A. `sin C = 8//9`B. `sin C = 9//8`C. `sin C = 2//3`D. `sin C = 3//2`

A glass prism of refractive index `1.5` is immersed in water (refracti

1.	A glass prism of refractive index `1.5` is immersed in water (refractive index 4/3). A light beam incident normally on the face `AB` is totally reflected to reach the face `BC`, Fig. if : .A. `sin C = 8//9`B. `sin C = 9//8`C. `sin C = 2//3`D. `sin C = 3//2`
Answer» Correct Answer - A `(mu_(2))/(mu_(1)) = (1)/(sinC), (1.5)/(4//3) = (1)/(sin C) or sin C = (8)/(9)`

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A glass prism of refractive index `1.5` is immersed in water (refractive index 4/3). A light beam incident normally on the face `AB` is totally reflected to reach the face `BC`, Fig. if : .A. `sin C = 8//9`B. `sin C = 9//8`C. `sin C = 2//3`D. `sin C = 3//2`

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