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Why do we use two boxes in a pinhole camera?

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To form an image of the object on the screen

Boxes act as opaque objects to form a shadow

To allow the light to pass through the box

To block all the unnecessary light from the surrounding, and only allowing the light to pass through a pinhole

answer is B.

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Detailed Solution

In a pinhole camera, two boxes are used as they block all the unnecessary light from the surrounding, and only allow the light to pass through a pinhole.

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