Question

If a light ray is reflected from a mirror as shown in the figure, then
a. The glancing angle of light ray is 45 degree.
b. the reflected light ray is perpendicular to the incident light ray.
c. the incident ray is deviated through an angle of 90 degree.
d. all the above. ​

Answer 1

Answer:

the answer is B

Explanation:

because because the angle of incidence is 90

Answer 2

Answer:

is B)

Explanation:

because the angle of incidence is 90degree