4.Which Of The Following Will Produce Diffuse Reflection Of Light? *
1 point
Plane mirror and piece of paper
Piece of paper and still clear water in lake
Plane mirror and leather bag
Piece of paper and leather
Answers
Answer:
3rd option
Explanation:
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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:
Screen in a cinema hall produces diffuse reflection of light. Explanation: When light incidence on smooth surface, the light is reflected in one direction as parallel beam.