Geometrical Optics: Adapted to the Use of the Higher Classes in Schools, Etc |
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Page 3
... fall on the screen SS ' as if they were going to O ' . Such cils are respectively divergent and convergent , as much ... falling upon plane surfaces and others in all such cases , unless expressly mentioned , we shall suppose that the ...
... fall on the screen SS ' as if they were going to O ' . Such cils are respectively divergent and convergent , as much ... falling upon plane surfaces and others in all such cases , unless expressly mentioned , we shall suppose that the ...
Page 7
... fall perpendicularly on to the water they are nearly all refracted : if they fall at an angle to the water , some of them are reflected , and the more their direction slopes to the water the more rays are reflected , until at last none ...
... fall perpendicularly on to the water they are nearly all refracted : if they fall at an angle to the water , some of them are reflected , and the more their direction slopes to the water the more rays are reflected , until at last none ...
Page 8
... fall upon the surface at O , and is reflected Fig . 3 . in the direction OF , then EO , OP , and OF are all in the same plane , and the angle FOP = angle EOP . Thus the action of a reflecting surface upon a ray of light is precisely the ...
... fall upon the surface at O , and is reflected Fig . 3 . in the direction OF , then EO , OP , and OF are all in the same plane , and the angle FOP = angle EOP . Thus the action of a reflecting surface upon a ray of light is precisely the ...
Page 10
... S to the eye . Join Rand S to Q and shade . The shaded part represents the rays which fall from Q on the mirror , and thence come to the eye . Whenever , in future investigations , we require to trace 10 [ CHAP . GEOMETRICAL OPTICS .
... S to the eye . Join Rand S to Q and shade . The shaded part represents the rays which fall from Q on the mirror , and thence come to the eye . Whenever , in future investigations , we require to trace 10 [ CHAP . GEOMETRICAL OPTICS .
Page 12
... , and are reflected from it as if they came from 91 , where Aq1 = AQ1 . They then fall on N , N , as RT , SV . Now since they may be considered as rays diverging from the point q1 , SV and RT 12 [ CHAP . GEOMETRICAL OPTICS .
... , and are reflected from it as if they came from 91 , where Aq1 = AQ1 . They then fall on N , N , as RT , SV . Now since they may be considered as rays diverging from the point q1 , SV and RT 12 [ CHAP . GEOMETRICAL OPTICS .
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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