Geometrical Optics: Adapted to the Use of the Higher Classes in Schools, Etc |
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Page vii
... principles to the compre- hension of boys possessing mathematical knowledge of the standard usually found in the higher classes of our schools . I imagined so myself , and during the course of my working I have been gradually learning ...
... principles to the compre- hension of boys possessing mathematical knowledge of the standard usually found in the higher classes of our schools . I imagined so myself , and during the course of my working I have been gradually learning ...
Page 21
... principle the construction of one kind of lighthouse is based . A mirror very nearly in the form of a paraboloid of revolution , i . e . the surface formed by a para- bola revolving about its axis , has a very strong light in the focus ...
... principle the construction of one kind of lighthouse is based . A mirror very nearly in the form of a paraboloid of revolution , i . e . the surface formed by a para- bola revolving about its axis , has a very strong light in the focus ...
Page 28
... Similar reasoning proves the same fact for the con- vex mirror . By a principle which we have used before ( Art . 15 ) , if light can travel from any luminous point Q to any other point q , by any number of reflexions , then 28.
... Similar reasoning proves the same fact for the con- vex mirror . By a principle which we have used before ( Art . 15 ) , if light can travel from any luminous point Q to any other point q , by any number of reflexions , then 28.
Page 46
... principle that light will always return by the same path as that by which it has gone , we see that a pencil converging to q from the left , would , on coming into the rare medium , be bent so as to converge to Q. Critical angle . 38 ...
... principle that light will always return by the same path as that by which it has gone , we see that a pencil converging to q from the left , would , on coming into the rare medium , be bent so as to converge to Q. Critical angle . 38 ...
Page 52
... 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 glass , after having suffered one ...
... 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 glass , after having suffered one ...
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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