Question

what is critical angle?what is denser medium? what is rarer medium?​

Answer 1

in denser medium density of medium high while in rare density is low.eg air is rare than water .molecule of water more closely than air.

Explanation:

on which angal refected ray refect in same medium then that angel is known as critical angel

Answer 2

Explanation:

• CRITICAL ANGLE :.When the angle of incidence in water reaches a certain critical value, the refracted ray lies along the boundary, having an angle of refraction of 90-degrees. This angle of incidence is known as the critical angle; it is the largest angle of incidence for which refraction can still occur.

• DENSAR MEDIUM: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.Raremedium has the low density and thedense medium has the high density

• RARER MEDIUM:A MEDIUM IN WHICH SPEED OF LIGHT IS MORE IS OPTOINALLY KNOWN AS RARER MEDIUM