6. The necessary condition for a light ray to obey the laws of reflection is:
a. The surface on which the light ray falls should be rough.
b. The surface on which the light ray falls should be smooth.
C. The surface on which the light ray falls should be flat.
d. The surface on which the light ray falls should be curved.
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The law of reflection states that, on reflection from a smooth surface, the angle of the reflected ray is equal to the angle of the incident ray. ... According to the law of reflection, images are reflected from a smooth surface, such as a mirror, at the same angle (θ2) as the incidence angle (θ1).
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