Question

what is incident ray​

Answer 1

An incident ray is a ray of light that strikes a surface. The angle between this ray and the perpendicular or normal to the surface is the angle of incidence. The reflected ray corresponding to a given incident ray, is the ray that represents the light reflected by the surface

Answer 2

A ʀᴀʏ ᴛʜᴀᴛ sᴛʀɪᴋᴇs ᴛʜᴇ sᴜʀғᴀᴄᴇ sᴇᴘᴀʀᴀᴛɪɴɢ ᴛʜᴇ ᴛᴡᴏ ᴏᴘᴛɪᴄᴀʟ ᴍᴇᴅɪᴀ ɪs ᴄᴀʟʟᴇᴅ ᴛʜᴇ ɪɴᴄɪᴅᴇɴᴛ ʀᴀʏ.

gm❤