The reason behind the formation of shadow and image are

None of these

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They are different

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They are congruent in shape

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The are similar in shape

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Solution

The correct option is B
They are different

Shadow formation is due to obstruction of light due to an opaque object which causes darkness on the screen behind. Image formation is due to interception of rays coming out from an object. These two are completely different phenomena. Hence, option B is correct.

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