व्हाट काइंड ऑफ इमेज फॉर्म्ड बाय ए पिन्होल कैमरा
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A pinhole camera is a simple camera without a lens but with a tiny aperture (the so-called pinhole)—effectively a light-proof box with a small hole in one side. Light from a scene passes through the aperture and projects an inverted image on the opposite side of the box, which is known as the camera obscura effect.
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