 | John M. Moffat - Physics - 1834 - 530 pages
...means of a triangular prism of glass. If such a prism be held with one of its angular edges opposite to the eye, the objects seen through it will not be doubled,...rainbow. Violet Indigo Blue Green Yellow Orange Red White CAUSE OF COLOUltS. 405 The dissection of » ray of solar light into different colours, by refraction,... | |
 | Walter Rogers Johnson - Science - 1835 - 530 pages
...colour ? What relation has colour to refraction ? How is the influence of refraction best exhibited ? the eye, the objects seen through it will not be doubled,...also be clothed with all the colours of the rainbow. M Violet Indigo Blue Green Yellow Orange Red White 161 . The dissection of a ray of solar light into... | |
 | John M. Moffat, Walter Rogers Johnson - Physics - 1842 - 498 pages
...existence of a point of insensibility experimentally proved ? What is ibe size of the insensible spot? What is the efficient cause of colours > How is this...the rainbow. Violet Indigo Blue Green Yellow Orange Ked White 161. The dissection of a ray of solar light into different colours, by refraction, may be... | |
 | John M. Moffat, Walter Rogers Johnson - Physics - 1845 - 516 pages
...What is the true definition of colour ? What relation has colour to refraction ? CAVSE OF COLOURS. the eye, the objects seen through it will not be doubled,...dissection of a ray of solar light into different colours, oy refraction, may be more accurately displayed by admitting a ray through an aperture in a window-shutter... | |
 | Henry Neville Hutchinson - Mountains - 1892 - 422 pages
...patience of the reader. White light, such as sunlight or the light from an electric arc, is composed of all the colours of the rainbow, — violet, indigo, blue, green, yellow, orange, and red. A ray of sunlight on passing through a prism is split up into all these colours in the above... | |
 | J. Southworth, Thomas Leslie James Bentley - Photographic chemistry - 1927 - 136 pages
...called a prism, the ray can be made to emerge on one of the other sides in a band of light, showing all the colours of the rainbow ; violet, indigo, blue, green, yellow, orange, and red. Such a band of colours is known as a spectrum. When a silver halide is exposed to the spectrum... | |
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What relation has colour to refraction ? the eye, the objects seen through it will not be doubled, as when viewed directly through one of the flat sides of the glass, but they will be more or less elongated, according to the angle at which the prism is... 