Question

define reflection of light

Answer 1

$\textbf{\underline{Reflection of Light}} -$

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Without light, we cannot see the objects around us. We are able to see the objects because of the light which falls on them and is sent back. When this light reaches our eyes, we are able to see the objects. This light that bounces back from the object is called reflected light. The the bouncing back of light incident on a surface is called reflection.

Reflection is the phenomenon in which light, on striking a surface, changes its direction and is thrown back into the same medium.

The amount of light that is reflected depends on the material and nature of the surface on which the light falls.

☆ An opaque body absorbs some of the light that falls on it and reflect the remaining light.

☆ A transparent body allows almost all the light to pass through it and reflects very little light.

☆ A smooth and are highly polished surface such as a shiny stainless steel surface or a mirror reflects almost all the light that falls on it.

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$\textbf{\underline{THANKS}}$

Answer 2

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Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated.

Examples :- reflection of light, sound and water waves.

KnOw more :-

• When a ray of light approaches a smooth polished surface and the light ray bounces back, it is called the reflection of light.
• The incident light ray which lands upon the surface is said to be reflected off the surface. The ray that bounces back is called the reflected ray.
• If a perpendicular were to be drawn on a reflecting surface, it would be called normal.