Find the incorrect parts in (a) of each question and correct them. Provide your ideas/opinions in (b) of each question
1. (a) When light strikes a smooth surface with a 45 degree of incident angle, the reflected angle is always smaller than that. (b) Look around your house, car, or office building, and find some mirrors that do not have flat surfaces: concave or convex mirrors. Why do you think that they are curved, and for what usages?