Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 366
en. If E D (Fig, 250) is taken as the object, then the direction of the light in the diagramwill be reversed, and P2Uwill represent the image.Hence, the image of an ob-ject jilaced between the prin-cipal focus and the center ofcurvature is also real anlinverted, but larger than theobject, and… … 844 RADIANT ENERGY. — LIGHT. Construct tho image of an object placed between the principalfocus and the mirror, as in Figure 253. It will be seen in thiscase that a pencil of ra3S proceeding from pjg 254. any point of an object, e.g., D, has noactual focus, but appears to proceed froma virtual…
Physics
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