Introduction to Optics |
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Page 204
... displacement current between the plates . The magnitude of this current is proportional to the rate of change of the number of Faraday tubes . After some time when static conditions reach the displacement current becomes zero . Maxwell ...
... displacement current between the plates . The magnitude of this current is proportional to the rate of change of the number of Faraday tubes . After some time when static conditions reach the displacement current becomes zero . Maxwell ...
Page 248
... displacement or crests and the dotted ones the places of minimum displacement or troughs . Apply now the principle of super- position . At a given instant the disturbance at any point will be the algebraic sum of the individual ...
... displacement or crests and the dotted ones the places of minimum displacement or troughs . Apply now the principle of super- position . At a given instant the disturbance at any point will be the algebraic sum of the individual ...
Page 253
... displaced . The distance by which it is displaced will be given by the equation ( SP - S'P ) λβ -- Σπ = 0 2d or by Δ D D .. Δ = . 2d - 1 . β β 27 λ Σπ ( 139 ) Such a displacement of the fringe system can be easily obtained by inserting ...
... displaced . The distance by which it is displaced will be given by the equation ( SP - S'P ) λβ -- Σπ = 0 2d or by Δ D D .. Δ = . 2d - 1 . β β 27 λ Σπ ( 139 ) Such a displacement of the fringe system can be easily obtained by inserting ...
Contents
CHAPTER | 1 |
CHAPTER PAGE VIII THEORIES regarding thE NATURE OF LIGHT contd | 3 |
4 Prisms | 21 |
88 other sections not shown
Common terms and phrases
achromatic achromatised adjusted amplitude aperture aplanatic astigmatism axis binocular bright called centre chromatic aberration coincide colours combination concave conjugate convergent convex lens cornea corresponding cross-wires curved determined deviation diameter diffraction displacement distance electromagnetic energy equal equation eyelens eyepiece f₁ F₂ field-lens focal length focal plane focal point focus focussed fringes given glass goniometer H₁ H₂ Huygens illuminated image formed incident ray instrument M₂ magnification measured medium method Michelson micrometer microscope minimum mounted Newton's nodal normal numerical aperture observed obtained optical bench optical system P₁ path pencil perpendicular placed plate position principal planes principal points prism produce radiation radius of curvature real image reflected reflexion refracting surface refractive index refractometer result retina rotation S₂ scale screen seen shown in Fig situated slit spherical aberration spherical surface spherical wave telescope thin lens thin lenses tion tube velocity of light wave-length wavefront