On the Undulatory Theory of Optics: Designed for the Use of Students in the University

2T vt 2π λ a² cos² analyzing plate angle of incidence aperture axis bars bright rings coefficient common light Consequently dicular different colours direction displacement distance disturbance double refraction effect elasticity elliptically polarized equal equation ether expression extraordinary ray find the intensity Fresnel's rhomb front Iceland spar inclined instance integral intensity of light investigation length light reflected maximum motion nearly Newton's rings optic axes ordinary ray particles passing path pencil perpen phænomena phase plane of incidence plane of polarization plane of reflection polarized light position principal plane prism produced PROP proportion radius reflected light reflected ray refracting medium represented resolved retardation rhombohedron screen seen shews similar spheroid suppose surface theory tion tourmaline undulation uniaxal crystal velocity vibrations parallel vibrations perpendicular vt-x wave diverging λ 2π λό όλ