PDF chapter test TRY NOW
Take a plane mirror and try to focus the light coming from the Sun on a wall.
Can you see a bright spot on the wall? How does it occur?
. It is because the light rays falling on the mirror are onto the wall by it.
Can you produce the same bright spot with the help of any other object having a rough surface?
, you the same bright spot with the help of any other object having a rough surface.
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