Answer:
A. 40 degrees
Step-by-step explanation:
The angle of reflection is equal to the angle of incidence. So both are equal.
When the rays of light fall incident on a plane angles of incidence and reflection are equal.
40
If it is a flat mirror, the reflection and incidence are the same -- 40 degrees.
If it is anything else, more information is needed.
8.6m questions
11.2m answers