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General Considerations Rectilinear Propagation of Light
Bodies seen within the Eye
7 other sections not shown
aberration aberration of light angle of incidence aperture appear augmented axis beam of light blue bodies bright bright bands called Calorescence candle centre colours concave convergence convex crystal dark band diffraction diminished direction distance divergent double refraction elasticity Emission Theory enters ether waves fall film flame formed gypsum heat Hence Iceland spar illuminated incandescent index of refraction intensity intersect inverted lens lenses light particle lines luminous beam marginal rays metals motion Newton object oblique opaque optic ordinary parallel perpendicular phenomena placed plane of vibration plate of tourmaline polariscope polarized light polarizer and analyzer polarizing angle portion principal focus prism produce ray of light reflexion refractive index refrangibility rendered retardation retina right angles rings rotation round screen second surface seen shadow sine slit solar spectrum spherical square substance thickness tourmaline transmitted transparent undulation undulatory theory vapour velocity of light violet wafer wave-length white light yellow