If I put my finger in a glass of water or a glass of oil, which would make my finger look bigger and why?

I think it would be oil because of the why the light is refracted-a thicker medium would bend the light more than the water

2 answers

Why don't you try it? A cup of vegetable oil, a cup of water. Science works best if we try to explain what is observed, not try to explain what we think.
Scientists have tried to define precisely the _____ since the metric system was introduced