Geometrical Optics: Adapted to the Use of the Higher Classes in Schools, Etc |
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Page vi
... give reality , and the easy and certain experiments by which it can be illustrated are con- vincing evidences of the correctness of the results , whilst the analysis which is requisite to obtain these results is sufficient to afford the ...
... give reality , and the easy and certain experiments by which it can be illustrated are con- vincing evidences of the correctness of the results , whilst the analysis which is requisite to obtain these results is sufficient to afford the ...
Page 2
... give the defi- nition of some terms which we shall often have to use : - ( i ) Any point of a luminous body is sending out light in every direction in straight lines . It is therefore called a " centre of light , " or a " luminous point ...
... give the defi- nition of some terms which we shall often have to use : - ( i ) Any point of a luminous body is sending out light in every direction in straight lines . It is therefore called a " centre of light , " or a " luminous point ...
Page 52
... give an example which combines the principles of plane reflexion and plane refraction . We shall assume that the image in each refraction is at the Geometrical Focus . Example . A pencil of light passes through a triangular prism of ...
... give an example which combines the principles of plane reflexion and plane refraction . We shall assume that the image in each refraction is at the Geometrical Focus . Example . A pencil of light passes through a triangular prism of ...
Page 84
... give the result , which is extremely simple . It is , as usual , only very approximately true . Fig . 51 ( i ) . Fig . 51 ( ii ) . Let QCq be the ray , from Q the luminous point not on the axis , which passes through the centre of the ...
... give the result , which is extremely simple . It is , as usual , only very approximately true . Fig . 51 ( i ) . Fig . 51 ( ii ) . Let QCq be the ray , from Q the luminous point not on the axis , which passes through the centre of the ...
Page 88
... give such figures to transparent bodies , and dispose them in such order , with respect to the eye and the objects , that the rays shall be bent and refracted towards any place we please ; and thus , from an incredible distance , we may ...
... give such figures to transparent bodies , and dispose them in such order , with respect to the eye and the objects , that the rays shall be bent and refracted towards any place we please ; and thus , from an incredible distance , we may ...
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Common terms and phrases
a₁ acceleration angle angular velocity arrow axes axis of rotation axle center of gravity cloth coefficient of friction compression concurrent forces consider constant cord cos² couple Crown 8vo curve cylinder diameter direction disk distance dt dt Edition equal fcap Find the center fly wheel forces acting formula gravity axis hammer horizontal inch inertia with respect kinetic energy length lens line of action M₁ M₂ mass mirror moment of inertia motion moving P₁ P₂ pencil pendulum perpendicular plane point of application preceding problem prism pulley R₁ radians per second radius rays refraction represented resistance revolutions revolutions per minute rigid body seen shaft shown in Fig Simpson's Rule speed square Suppose surface T₁ tangential tension tion v₁ vertical weight work-energy equation x-axis zero