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Rectilinear propagation of lightreﬂectionrefraction
MORE ABOUT REFRACTION
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aberration achromatic Angstrom units atom axis biconvex lens brieﬂy bright Calculate centre Chapter chromatic aberration colour converging lens convex crystal deﬁned deﬁnition Describe deviation diffraction grating dioptres discussed dispersion distance electron emitted Equation experimental Explain eyepiece ﬁeld ﬁnd ﬁrst ﬂat focal length follows Huygens illumination illustrated in Figure instrument interference lamp lenses light source liquid luminous intensity magniﬁcation measured method metres Michelson microscope monochromatic light Newton’s rings normal object observed optical photometer polarisation polaroid prism produced radiation radii radius of curvature ray diagram ray of light reﬂection refractive index resolving power result rotating Schol screen seen shown in Figure sign convention simple simple harmonic motions slit Snell’s law sodium spectra spectrometer spectrum spherical spherical aberration student surface thickness thin ﬁlm thin lens velocity of light vibrations wave theory wave-front wave-motion wavelength white light Young’s fringes