Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 409
takes fire, which is not the case if it is aboveor below it. The experiment also serves to show that light and heat are reflected inthe same manner. For this purpose a lighted candle is placed in the focusof A, and a ground-glass screen in the focus of B, when a luminous focus isseen on it exactly… … afterwards shown that for light, the angle of reflection is equal to the angleof incidence, and that both the incident and the reflected rays are in the sameplane perpendicular to the plane Ieflecting surface. In consequence of the high temperature produced in the foci of concavemirrors they have…
Physics
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