Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 442
er is greatest when the rays are at right angles to thesurface, and it diminishes in proportion as the incident rays deviate from thenormal. This is one reason why the sun is hotter in summer than in winter,because, in the former case, liie suns rays are less oblique. The radiating power of gaseous… … Fig. 413 placed in this flame, it assumes the temperature of the flame, and radiatesa great amount of heat, as is shown by the thermometer. For a similarreason the flames of oil and of gas lamps radiate more than a hydrogenflame in consequence of the excess of carbon which they contain, andwhich,…
Physics
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