Question

A lens with focal length f is used to image a distant scene (So ≈ ∞)...

A lens with focal length f is used to image a distant scene (So ≈ ∞) onto a piece of paper inside a black box.

A) If you covered half the lens, will half the image be blocked? If so which half? If not, explain why you think the image will not be blocked.

B) Draw a ray diagram to support your claim in A).

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