Question

when a ray of light falls on a reflecting surface , the angle of incidence is
a. 90 degree
b. 100 degree
c. 45 degree
d. 0 degree​

Answer 1

Answer:

0 degree

Explanation:

(These two angles are labeled with the Greek letter "theta" accompanied by a subscript; read as "theta-i" for angle of incidence and "theta-r" for angle of reflection.) The law of reflection states that when a ray of light reflects off a surface, the angle of incidence is equal to the angle of reflection.

Answer 2

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The law of reflection states that the angle of reflection equals the angle of incidence—θr = θi. The angles are measured relative to the perpendicular to the surface at the point where the ray strikes the surface.