Question

give any two characteristics of shadow​

Answer 1

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give any two characteristics of shadow.

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Characteristics of shadow:-

• It depends on shape of the object.
• It depends on source of light whether it is plane parallel rays or spherical
• It depends on position of the object whether the object is at infinite or finite distance.
• It depends on the position of source of light
• The shadow is darker than the surrounding area.

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Shadow:-

A shadow is actually just a space or region, where there is no light since an opaque object is blocking light rays.

Example of shadow:-

Let us consider the sun to be a light source. When it is early morning or late afternoon, you may notice that your shadows are elongated. But at noon, when the sun is right above your head, the shadow formed is short and dark in nature.

Types of shadow:-

• Umbra
• Penumbra

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