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Light Reflection and Refraction
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08/08/2021 2:01 pm
Topic starter
(a) A wall reflects light and a mirror also reflects light. What difference is there in the way they reflect light?
(b) Which type of reflection of light leads to the formation of images?
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08/08/2021 2:02 pm
(a) A wall has a rough surface, so the reflection by a wall is a diffuse reflection. A parallel beam of light incident on it is reflected in different directions.
A mirror surface is smooth, so the reflection by a mirror is a regular reflection. A parallel beam of light incident on it, gets scattered by making reflected rays in different directions.
(b) Regular reflection