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Question

What is the difference between regular reflection of light and diffuse reflection of light? What type of reflection of light takes place from:

(a) a cinema screen
(b) a plane mirror
(c) a cardboard
(d) still water surface of a lake

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Solution

Regular Reflection Diffused Reflection
In regular reflection, light is reflected in one direction only because of the smooth surface of the plane. In diffused reflection, light is reflected in all directions because of the rough surface of the plane.

S.No. Type of Surface Type of Reflection
a Cinema screen Diffused reflection
b Plane mirror Regular reflection
c Cardboard Diffused reflection
d Still water surface of a lake Regular reflection

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