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A statue is 6.6 m from the opening of a pinhole camera, and the screen is 2.8

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A statue is 6.6 m from the opening of a pinhole camera, and the screen is 2.8 m from the pinhole. 

(a) Is the image erect or inverted?

(b) What is the magnification of the image? 

(c) To get a brighter image, we enlarge the pinhole to let more light through, but then the image looks blurry. Why? 

(d) To admit more light and still have a sharp image, we replace the pinhole with a lens. Should it be a converging or diverging lens? Why? 

(e) What should the focal length of the lens be?

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a The image is erect b The magnification 023 c The image looks blurry because when the pinhole i...View the full answer


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