Multiple Images from Mirrors at an Angle
المؤلف:
GEORGE A. HOADLEY
المصدر:
ESSENTIALS OF PHYSICS
الجزء والصفحة:
p-448
2025-12-17
24
If two mirrors are placed at a right angle with each other, as М and M' (Fig. 1), the object being at A and the eye at E, then there will be seen an image A' in the mirror M, а second image A" in the mirror M', and a third A'", which is the image in M' of the image A formed by the mirror M. The positions of all these images may be found by applying the rule for finding the image of a point in a plane mirror. The paths of the rays that enter the eye may be found as is shown in the figure.
Multiple images formed in two mirrors that are inclined at a less angle than 90° can be studied by a pair of hinged mirrors, such as are shown in Fig. 2. By standing the mirrors on a table and varying the angle between them, the relation between the angle and the number of images can be shown.
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