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" The magnifying power of a simple microscope is the ratio of the size of the image to the size of the object. "
Manual of optics, by J.A. Galbraith and S. Haughton - Page 16
by Joseph Allen Galbraith - 1854
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A Student's Manual of a Laboratory Course in Physical Measurements

Wallace Clement Sabine - Physical measurements - 1893 - 126 pages
...values in the above equation. 40. MAGNIFYING POWER OF A CONVEX LENS. The magnifying power of a lens is the ratio of the size of the image to the size of the object. Place the two scales, mounted as in the last experiment, at opposite ends of the meter rod, and between...
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A Student's Manual of a Laboratory Course in Physical Measurements

Wallace Clement Sabine - 1893
...nearer the scale that was more distant from the observer, and note the magnifying power of the lens — the ratio of the size of the image to the size of the scale immediately below it. Move the lens three centimeters at a time toward the observer, the more...
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Heat and Light an Elementary Text Book Theoretical and Practical ...

Sir Richard Tetley Glazebrook - Heat - 1894 - 207 pages
...called the magnifying of the mirror. We may put this more briefly by saying that the magnifying power is the ratio of the size of the image to the size of the object, but in this statement it must be remembered that size refers to linear dimensions, not to area. 58....
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Light: An Elementary Textbook, Theoretical and Practical for Colleges and ...

Sir Richard Glazebrook - Light - 1894 - 213 pages
...scale, backed by a piece of ground glass or white paper, forms a convenient screen, for by means of it the ratio of the size of the image to the size of the object can be found immediately. It is only necessary to count the number of divisions on the screen which...
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Heat and Light: An Elementary Text-book Theoretical and Practical

Sir Richard Glazebrook - Heat - 1894 - 434 pages
...scale, backed by a piece of ground glass or white paper, forms a convenient screen, for by means of it the ratio of the size of the image to the size of the object can be found immediately. It is only necessary to count the number of divisions on the screen which...
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Elements of Physics

Charles Hanford Henderson, John Francis Woodhull - Physics - 1900 - 388 pages
...be enlarged to the size of m' n', which may be measured and perhaps found to be half as large again. The ratio of the size of the image to the size of the object is expressed thus : m' n' — 15 mm. — mn ~ 10 mm. ~ 309. Different Kinds of Lenses and the Way they...
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A Laboratory Manual of Physics for Use in High Schools

Henry Crew, Robert Richardson Tatnall - Physics - 1902 - 234 pages
...provided you allow your eyes to remain in their natural, state of repose and avoid straining them. The ratio of the size of the image to the size of the object is called the magnifying power of the telescope. Make several determinations of the magnifying power,...
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Light: An Elementary Text-book, Theoretical and Practical for Colleges and ...

Sir Richard Glazebrook - Heat - 1902 - 213 pages
...scale, backed by a piece of ground glass or white paper, forms a convenient screen, for by means of it the ratio of the size of the image to the size of the object can bo 104 LIGHT. found immediately. It is only necessary to count the number of divisions on the screen...
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Practical Physics; Fundamental Principles and Applications to Daily Life

Newton Henry Black - Physics - 1913 - 487 pages
...virtual image is formed about 10 inches away (Fig. 435). The magnifying power of a simple microscope is the ratio of the size of the image to the size of the object. This is equal to the distance of the image divided by the distance of the object, that is, 10/Z>0,...
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Practical Physics

Newton Henry Black - 1913
...virtual image is formed about 10 inches away (Fig. 435). The magnifying power of a simple microscope is the ratio of the size of the image to the size of the object. This is equal to the distance of the image divided by the distance of the object, that is, 10/Z>0,...
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