Transcription of CHAPTER10 Light – Reflection and Refraction
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CHAPTER10 Light – Reflection and Refraction
Science160 Light Reflection andRefraction10 CHAPTERWe 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.
Light – Reflection and Refraction 163 The reflecting surface of a spherical mirror is by and large spherical. The surface, then, has a circular outline. The diameter of the reflecting surface of spherical mirror is called its aperture. In Fig.10.2, distance MN represents the aperture. We shall consider in our discussion only
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