Question

A pinhole cameras has no lens. The tiny pin-hole opening insures that rays of light from different parts of an object
1) overlap.
2) don't overlap.
3) bend to a focus.
Small openings between leaves in a tree act as pinholes. The round spots of light cast on the ground below are images of
4) the Sun.
5) the openings themselves.
6) both of these
7) neither of these

Answer

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