Question

A transparent (glass) sphere has a small, opaque dot at its centre. Does
the apparent position of the dot appear to be the same as its actual position
when observed from outside?
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Answer 1

Answer:

The answer for your question is "there will be no change in the position of an opaque dot at the centre of a transparent glass sphere when a person observe it from the outside." All the rays that comes out from an object that kept at the centre of a transparent sphere will be normal to the surface of the sphere

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