A small air bubble is trapped inside a transparent cube of size `12 cm`. When viewed from one of the vertical faces, the bubble apears to be at `5 cm`. From it. When viewed from opposite face, it appears at `3 cm` from it.
A. The distance of the air bubble from the first face is 7.5 cm
B. The distance of the air bubble from the second face is 6 cm
C. Refractive index of the material of the prism is `(5)/(3)`
D. Refractive index of the material of the prism is 1.5
