Long Answer Type Questions
Briefly mention, which of the following will cause regular reflection of light and which diffuse reflection of light
(a) Polished wooden table
(b) Chalk powder
(c) Cardboard
(d) Mirror
(e) Paper
(f) Marble floor with water spread over it.
Answers
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Answer:Regular reflection occurs at perfectly smooth surfaces and diffused reflection occurs at rough surfaces.
(a) Polished wooden table: Regular reflection since surface becomes smooth as it is unpolished.
(b) Chalk Powder: Diffused reflection since surface of chalk powder is very rough.
(c) Cardboard surface: Diffused reflection since surface of chalk powder is rough.
(d) Marble floor with water: Diffused reflection since surface of water is not even.
(e) Mirror: Regular reflection since surface of mirror is smooth.
(f) Piece of paper: Diffused reflection since surface of paper is rough.
Explanation:
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