Question

the angle of incidence is 30 then angle of emergence is​

Answer 1

Answer:

The total angle is 180 degrees

If the angle of incidence is 30 degrees,

Therefore, the angle of emergence is

180-30=150 degrees

plz follow me and mark brainliest

Answer 2

Answer:

the angle of incidence is 30 degrees

so,, 90 degrees - angle of incidence

therefore,,,( 90-30)= 60 degrees

Explanation:

hope it helps u