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what are the four reflecting rules of concave mirror and convex mirror? |
| The reflection of light from a plane surface (like that of a plane mirror) or from a spherical mirror (like that of a concave mirror or convex mirror) takes place according to two laws,which are known as the laws of reflection of light.The laws of reflection of light are given below: 1.First Law of Reflection. According to the first law of reflection of light:The incident ray,the reflected ray, and the normal (at the point of incidence),all lie in the same plane. 2.Second Law of Reflection.According to the second law of reflection:The angle of reflection is always equal to the angle of incidence.We can also state the second law of reflection as follows by writing the angle of incidence first:The angle of incidence is equal to the angle of reflection.If the angle of incidence is i and the angle of reflection is r,then according to the second law of reflection : <i = <r |
