Im in yr11 of secondary school (uk) and i do seperate science GCSE. For homework we were asked to find out why the image is inverted in a pinhole camera, any help would be much appreciated! can i have a simpler explanation please?! Im sorry im just really confused :S
Physics - 2 Answers
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1 :
Draw yourself a picture, on the left a shape say a stick man, centre a pinhole, right a screen. Draw straight lines from points on the shape through the pinhole, see where they hit the screen Simpler? OK , you will need paper, ruler, pen or pencil Draw yourself a picture, on the left a shape say a lollypop. in the centre a point representing the pinhole. On the right a vertical line representing a screen. Draw straight lines from points on the lollypop through the centre point, see where they hit the screen.
2 :
That is true for any lensed camera besides pinhole cameras. It is a property of optics that light rays travel in a straight line seeking the shortest route. In the absence of a lens, said light will pass an aperture from, say, the upper part of the subject to the lower part of the image.
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