Question

A spherical marble, of refractive index
1.5 and curvature 1.5 cm, contains a tiny
air bubble at its centre. Where will it
appear when seen from outside?
(A) 1 cm inside (B) at the centre
(C) 5/3 cm inside (D) 2 cm inside​

Answer 1

Answer:

if the bubble is at the centre then it will "appear at the centre'' when we see from outsife