Geometrical Optics: Adapted to the Use of the Higher Classes in Schools, EtcMacmillan, 1870 - 130 sider |
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Side 5
... equal circles of light as there are points in the opening . And thus , if we draw on this plane a figure equal and similarly placed to that of the aperture , and at each of its points or only at those on its boundary describe a multi ...
... equal circles of light as there are points in the opening . And thus , if we draw on this plane a figure equal and similarly placed to that of the aperture , and at each of its points or only at those on its boundary describe a multi ...
Side 8
... equal to one another . Thus , if OP be a normal to ABCD at 0 , and if a ray of light EO 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 ...
... equal to one another . Thus , if OP be a normal to ABCD at 0 , and if a ray of light EO 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 ...
Side 9
... equal ; . · . qA = QA . So if we take any other rays QS , QT ... they will be reflected as Ss , Tt , and these lines when produced backwards will all pass through q . Now another way of saying this is to say that the eye at E will be ...
... equal ; . · . qA = QA . So if we take any other rays QS , QT ... they will be reflected as Ss , Tt , and these lines when produced backwards will all pass through q . Now another way of saying this is to say that the eye at E will be ...
Side 20
... equal angles with , the tangent at that point . But the incident and reflected rays also made equal angles with the tangent , whence it follows that the reflected ray returns along the incident ray , i.e. all the reflected rays pass ...
... equal angles with , the tangent at that point . But the incident and reflected rays also made equal angles with the tangent , whence it follows that the reflected ray returns along the incident ray , i.e. all the reflected rays pass ...
Side 25
... equal to QA ; since by bringing closer and closer to the axis , the difference between QA and QR may be made as small as we please . Similarly Rq becomes Aq , where q is now the G. F. ray Thus QA QO QA or Aq Օզ 20 ୧୦ Aq III . ] 25 ...
... equal to QA ; since by bringing closer and closer to the axis , the difference between QA and QR may be made as small as we please . Similarly Rq becomes Aq , where q is now the G. F. ray Thus QA QO QA or Aq Օզ 20 ୧୦ Aq III . ] 25 ...
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Geometrical Optics: Adapted to the Use of the Higher Classes in Schools, Etc Osmund Airy Uten tilgangsbegrensning - 1870 |
Geometrical Optics: Adapted to the Use of the Higher Classes in Schools, Etc Osmund Airy Uten tilgangsbegrensning - 1870 |
Vanlige uttrykk og setninger
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