Light
Light
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In our eReader you can find the full English version of the book. Read Light Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Light
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4 1. 69 upon his ring apparatus, and so was enabled to inves- tigate the phenomena when employing light of a single color, and to see in what way a change of color affected the size of the rings and their distinctness. "I found/' he says, "the circles which the red light made to be mani- festly bigger than those which were made by blue and violet. And it was very pleasant to see them gradually swell or contract according as the color of the light was changed. " As the radii of the rings depend ...on the color, the larger (red) rings of one order will tend to overlap the smaller (blue) rings of the next higher order. This overlapping will produce indistinctness, so that it will be difficult to see the rings of high order when the incident light is white. If, however, homogeneous light be em- ployed, there is no possibility of overlapping, so that far- more rings may be seen. "I have sometimes, " says New- ton, "seen more than twenty of them" (when working THE PRINCIPLE OF INTERFERENCE 169 with a prism to produce homogeneous light), "whereas, in the open air" (without the prism), "I could not discern above eight or nine.
What to read after Light?
You can find similar books in the "Read Also" column, or choose other free books by Richard Cockburn Maclaurin to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
4 1. 69 upon his ring apparatus, and so was enabled to inves- tigate the phenomena when employing light of a single color, and to see in what way a change of color affected the size of the rings and their distinctness. "I found/' he says, "the circles which the red light made to be mani- festly bigger than those which were made by blue and violet. And it was very pleasant to see them gradually swell or contract according as the color of the light was changed. " As the radii of the rings depend ...on the color, the larger (red) rings of one order will tend to overlap the smaller (blue) rings of the next higher order. This overlapping will produce indistinctness, so that it will be difficult to see the rings of high order when the incident light is white. If, however, homogeneous light be em- ployed, there is no possibility of overlapping, so that far- more rings may be seen. "I have sometimes, " says New- ton, "seen more than twenty of them" (when working THE PRINCIPLE OF INTERFERENCE 169 with a prism to produce homogeneous light), "whereas, in the open air" (without the prism), "I could not discern above eight or nine.
What to read after Light?
You can find similar books in the "Read Also" column, or choose other free books by Richard Cockburn Maclaurin to read onlineMoreLess
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