When light is reflected from a smooth surface, the angle of incidence must be equal to the angle of reflection." Under which of the following situations is the above statement true?"
1) It is always true.
2) It is true only if the surface is CONCAVE or PLANE.
3) It is true only if the surface is made of GLASS.
4) It is true only if the surface is PLANE.
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Answers & Comments
Answer:
1
Explanation:
angle of incidence is always equal to the angle of reflection.