The figure shows three opaque strips with very small holes of different shapes. Will the image of the sun obtained on the screen through these three holes be the same or different?

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Solution

A pinhole camera is a special kind of camera having a pinhole-sized opening to focus all light rays within the smallest possible area to obtain an inverted image as clear as possible. (1 Mark )

All three objects will form the same kind of image of the sun irrespective of their shapes as the holes in the strips work as a pinhole camera and the strips are opaque. (1 Mark )

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