Suppose you could take a telescope mirror underwater and try to focus the sun with it.
A) the mirror has to be closer to the image than in air.
B) the mirror behaves the same as it did in air.
C) the mirror has to be farther from the image than in air.
D) in general an image can't be formed at all.

Question

Quizplus · Accepted Answer

The behavior of a mirror is not affected by the medium it is in, as mirrors reflect light based on the angle of incidence and reflection, which are independent of the surrounding medium.

Suppose You Could Take a Telescope Mirror Underwater and Try