CHAPTER10 Light – Reflection and Refraction
Light – Reflection and Refraction 161 Let us recall these laws – (i) The angle of incidence is equal to the angle of reflection, and (ii) The incident ray, the normal to the mirror at the point of incidence and the reflected ray, all lie in the same plane. These laws of reflection are applicable to all types of reflecting surfaces
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CHAPTER10 Light – Reflection and Refraction
www.ncert.nic.inLight – Reflection and Refraction CHAPTER10 Fig. 10.1 80 EXEMPLAR PROBLEMS – SCIENCE Fig. 10.2 5. A light ray enters from medium A to medium B as shown in Figure 10.2. The refractive index of medium B relative to A will be (a) greater than unity (b) less than unity