Question
A solid glass sphere of radius 10 cm that has a small air bubble O trapped at a dis†an ce 4 cm from the centre C. The refractive index of the material of glass is 1.8. The apparent position of the bubble from surface where it will appear, when seen through the surface of the sphere from an outside point is a)-4.54 cm b)-2.54 cm c)-1.24 cm d)-6.24 cm