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 568
nvex mirror ; /negative. Equation (3) becomes from which wc see that,/ being positive,/ is always negative, that is, theimage is always virtual. When / is infinite,/ = -/, and the magnification iszero. As the object approaches the mirror the image increases in size, butcannot be greater than the… … the aperture of the mirror does not exceed 8 or lo degrees, since itis only when the incident rays are very close to the principal axis thatthe reflected rays meet in a single point. With a larger aperture the raysreflected near the edges meet the axis nearer the mirror than those thatare reflected…
Physics
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