Nội dung text 10 Light Reflection and Refraction 2.ppt
Contents: How do we see objects? Common phenomena of light Straight line path of light Particle and wave nature of light Spherical mirrors How to draw ray diagram? Image formation by a concave mirror Image formation by a convex mirror Uses of concave and convex mirror Sign convention for reflection by spherical mirror Mirror formula and magnification formula Created by C. Mani, Principal, K V No.1, AFS, Jalahalli West, Bangalore Plane Mirror LIGHT - REFLECTION
We are unable to see anything in a dark room. On lighting up the room, things become visible. What makes things visible? An object reflects light that falls on it. The reflected light, when received by our eyes, enables us to see things. Eye
Common phenomena of light are - image formation by mirrors - image formation by lenses - twinkling of stars - beautiful colours of a rainbow - bending of light by a medium - sparkling of diamonds - colours formed on thin oil films - colours formed in soap bubbles - reddish appearance of sun while rising and setting - blue colour of the sky and many more
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