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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www.ncert.nic.in4. Figure 10.1 shows a ray of light as it travels from medium A to medium B. Refractive index of the medium B relative to medium A is (a) 3/ 2 (b) 2/ 3 (c) 1/ 2 (d) 2 Light – Reflection and Refraction CHAPTER10 Fig. 10.1