 | William Emerson - Mathematics - 1768 - 444 pages
...9q. the principaLfoats, its image -will be on the other jide of the glafs inverted. But if the objeft is nearer than the principal focus, the image will be on the fame jide of the glafs, ertft. For in the motion of Q^ to T, tq becomes infinite at T, aad whilft Q... | |
 | Encyclopaedia - 1845 - 902 pages
...negative, and when d = ——- » x will be infinitely negative ; between these limits, therefore, the image will be on the same side of the lens as the object, and it will be erect. But for all values of d greater than 10 r • , the value of x will be positive, and decrease... | |
 | Le Roy Clark Cooley - Physics - 1880 - 344 pages
...at E, will seem to have come from B'. Hence Fig. ice. an image will seem to be formed at A' B'. This image will be on the same side of the lens as the object, erect, and larger than the object. Pig. 107. 80. Images are also formed by concave lenses. They are... | |
 | Le Roy Clark Cooley - Physics - 1880 - 340 pages
...will seem to have come from IV. Hence Fig. 106. an image will seem to be formed at A' B'. This inutye will be on the same side of the lens as the object, erect, and larger than the object. Fig. 107. 80. Images are also formed by concave lenses. They are... | |
 | Josiah Thomas Scovell - Science - 1894 - 412 pages
...have the same effect as if they came from A' and B' ; hence the image will be formed at A'B', which will be on the same side of the lens as the object, erect and larger, than the object. In case the object 81 be placed beyond the principal focus, and... | |
 | American Microscopical Society - Microscopy - 1908 - 314 pages
...object is within the principal focus (above in the picture), and the image appears to the observer to be on the same side of the lens as the object and not inverted. From the first production of lenses every kind of experiment was tried to see what could... | |
 | American Microscopical Society - Microscopy - 1907 - 768 pages
...object is within the principal focus (above in the picture), and the image appears to the observer to be on the same side of the lens as the object and not inverted. From the first production of lenses every kind of experiment was tried to see what could... | |
 | Optical instruments - 1912 - 390 pages
...line PF" cuts the vertical axis through H at a point Q such that QH = + i'6. The image, therefore, is on the same side of the lens as the object, and it is situated at a distance of r6 from it. The size of the image as compared with that of the object... | |
 | William Watson - Physics - 1920 - 590 pages
...take the focal length / of the lens such that the image produced by an object at a distance D must be on the same side of the lens as the object, and at a distance from the lens d, where d>D. Here u = +D and v = +d. Hence 1 1_-1 / d D (128) Since d... | |
 | Optical instruments - 1977 - 240 pages
...(2) Magnification by reading glass. If the object is inside one focal length of a convergent lens, the image will be on the same side of the lens as the object magnified, normal, and erect. The image will no longer be real but will be virtual. This is a condition... | |
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... image can be formed on that side of the lens, but if an eye at E, receive these rays they will produce the same effect as if they came from A'. 
