A Shadow is obtained only on a screen
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shadow is a dark region, and is formed only when a light source, an opaque object and a screen are present. Opaque objects form shadows because light is not able to bend around them. Shadows are seen more clearly on light screens. ... The length and shape of a shadow depends on the object by which it is formed.
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A shadow is a dark region, and is formed only when a light source, an opaque object and a screen are present. Opaque objects form shadows because light is not able to bend around them. Shadows are seen more clearly on light screens. ... The length and shape of a shadow depends on the object by which it is formed.
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