Differentiate between the reflection of light from a plane mirror and that from a plane sheet of paper
Asked by Abc123736 | 8th Dec, 2015, 08:00: PM
Even though a plane mirror and a sheet of paper reflects light but we can see our image only in the plane mirror as the surface of the mirror is smooth and polished. Reflection light from a plane mirror is an example of regular reflection.
Regular reflection is a reflection of light rays from a smooth surface like mirrors, glasses, water. In this reflection, the reflected ray of light moves only in a fixed direction. Images formed by regular reflection are always clear and distinct.
A paper has a rough, unpolished surface which is uneven and hence when the light rays hits the surface they get reflected back unevenly i.e., it does not follow the laws of reflection. Reflection of light from a plain sheet of paper is an example of irregular or diffused reflection. Irregular or diffused reflection is a reflection of light from a rough surface like plastic sheets, writing paper, wooden boards, cloths, skin, leather pieces, etc. This reflection takes place when a ray of light is incident on a wall or wood, which is not smooth or polished. Due to irregular reflection, we are able to see things around us.
Answered by Faiza Lambe | 9th Dec, 2015, 12:03: AM
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