Give some examples to justify the statement shadows helps us to study important natural phenomena.
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A dark patch formed on a surface behind an opaque object placed in the path of light is called a shadow. ... An image in a mirror can be seen without a screen, whereas it is mandatory to have a screen to form a shadow .
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A dark patch formed on a surface behind an opaque object placed in the path of light is called a shadow. ... An image in a mirror can be seen without a screen, whereas it is mandatory to have a screen to form a shadow .
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