Question

Differentiates between stagest medium and
denser medium​

Answer 1

Answer:

Rare medium has the low density and the dense medium has the high density. In case of air and water, water has the high density than that of air. So air is rarer and water is denser.

Answer 2

When the light ray passes from rarer medium to denser medium it bends towards the normal. Example: Light ray passing from air to glass (Air rarer medium, Glass - denser medium.Rare medium has the low density and the dense medium has the high density. In case of air and water, water has the high density than that of air. So air is rarer and water is denser.