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When light is incident on a surface, such as a mirror or even water, some or all of it may bounce back. This portion of light, that bounces off the surface is known as the reflected light. If the surface is plain, we can determine the angle of reflection. If...

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When light is incident on a surface, such as a mirror or even water, some or all of it may bounce back. This portion of light, that bounces off the surface is known as the reflected light. If the surface is plain, we can determine the angle of reflection. If a hypothetical normal is drawn to the surface, the incident light makes an angle with it, known as the angle of incidence. The angle made by the reflected light with the normal is known as angle of reflection and is equal to the angle of incidence. Reflected light is the reason we are able to see the objects. When light falls on an object and is reflected, part of it may enter our eyes and this is what makes the object visible to us.

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