Multiple Images from Parallel Mirrors
المؤلف:
GEORGE A. HOADLEY
المصدر:
ESSENTIALS OF PHYSICS
الجزء والصفحة:
p-448
2025-12-17
19
If two mirrors MM' and NN' are placed parallel and facing each other, several images of the candle C will be seen by the eye E, placed as in Fig. 1. What may be called primary images, formed by one reflection, will be seen in the directions EA and EA'. Secondary images, formed by two reflections, will be seen in the directions EB and EB'. The images of the candle appear at C' and C".
Demonstrations. - Place four long, narrow strips of mirror inside a long narrow box, fastening them to the four sides. Make a cover for one end and bore a small hole in the middle of it. Place the eye at the opposite end of the box and direct the box toward a window. Observe the different images seen from the four sides. P Strips of window glass backed with black paper will do very well if mirrors cannot be obtained.
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