Optics


 * absorption spectrum
 * achromatic lens
 * actinic rays
 * actinology
 * albedo
 * angle of incidence
 * angle of reflection
 * angle of refraction
 * band spectrum
 * beam
 * black light
 * candela
 * candle
 * candlepower
 * center of curvature
 * chromatic aberration
 * chromatics
 * coherent light
 * color
 * complementary colors
 * concave lens
 * concave mirror
 * continuous spectrum
 * converging lens
 * converging mirror
 * convex lens
 * convex mirror
 * critical angle
 * diffraction
 * diffraction angle
 * diffraction grating
 * diffuse reflection
 * dispersion
 * diverging lens
 * diverging mirror
 * elementary colors
 * emission spectrum
 * fiber optics
 * first law of photoelectric emission
 * fluorescence
 * focal length
 * focal point
 * focus
 * Fraundhofer spectrum
 * hertz
 * illuminated body
 * illumination
 * image
 * incandescence
 * incident light
 * index of refraction
 * infrared light
 * irregular reflection
 * laser
 * law of reflection
 * light
 * line spectrum
 * lumen
 * luminescence
 * luminous body
 * luminous flux
 * intensity
 * magnification
 * monochromatic light
 * Nicol prism
 * objective lens
 * opague material
 * optical density
 * optical fiber
 * optics
 * penumbra
 * phosphorescence
 * photic
 * photoelastic
 * photoelectric effect
 * photoelectron
 * photometry
 * photon
 * photon collision excitation
 * photovoltaic cell
 * plane polarization
 * polarized light
 * polychromatic light
 * primary color
 * primary pigment
 * principal axis
 * principal focus
 * pumping
 * quantum theory of light
 * ray
 * real image
 * reflection
 * refraction
 * resolving power
 * saturation
 * secondary color
 * secondary pigment
 * second law of photoelectric emission
 * Snells law
 * solar ray
 * solar spectrum
 * spectroscope
 * spectrum
 * speed of light
 * spherical aberration
 * spherical concave mirror
 * stopping potential threshold frequency
 * total internal reflection
 * translucent material transparent material
 * ultraviolet light
 * umbra
 * vertex
 * virtual image
 * white light
 * X-ray