CHAPTER10 Light – Reflection and
Science160Light Reflection andRefraction10CHAPTERWe see a variety of objects in the world around us. However, we areunable to see anything in a dark room. On lighting up the room,things become visible. What makes things visible? During the day, thesunlight helps us to see objects. An object reflects Light that falls on reflected Light , when received by our eyes, enables us to see are able to see through a transparent medium as Light is transmittedthrough it. There are a number of common wonderful phenomenaassociated with Light such as image formation by mirrors, the twinklingof stars, the beautiful colours of a rainbow, bending of Light by a mediumand so on. A study of the properties of Light helps us to explore observing the common optical phenomena around us, we mayconclude that Light seems to travel in straight lines.
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
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