Geometrical Optics: Adapted to the Use of the Higher Classes in Schools, Etc |
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Page 3
... from a luminous circular disc placed in the ceiling of a room , passes through a rectangular aperture in the floor . Ascertain the form of the luminous patch on the floor of the room below . " ( i ) Let O be the centre of the I - 2 I. ]
... from a luminous circular disc placed in the ceiling of a room , passes through a rectangular aperture in the floor . Ascertain the form of the luminous patch on the floor of the room below . " ( i ) Let O be the centre of the I - 2 I. ]
Page 5
... placed to that of the aperture , and at each of its points or only at those on its boundary describe a multi- tude of circles , the figure which they will form will be precisely that of the image of the sun , received at a distance ...
... placed to that of the aperture , and at each of its points or only at those on its boundary describe a multi- tude of circles , the figure which they will form will be precisely that of the image of the sun , received at a distance ...
Page 6
... placed , the resulting figure will approach nearer to that of those which are the greatest . If these are triangles , the whole figure will be a triangle ; if a crescent , the figure formed will resemble a crescent . " CHAPTER II ...
... placed , the resulting figure will approach nearer to that of those which are the greatest . If these are triangles , the whole figure will be a triangle ; if a crescent , the figure formed will resemble a crescent . " CHAPTER II ...
Page 8
... - glass ; in which we appear to see the image of any object , placed in front of the mirror , just as far behind the mirror as the object itself is in front . Let MM , be a mirror , edgeways to us 8 [ CHAP . GEOMETRICAL OPTICS .
... - glass ; in which we appear to see the image of any object , placed in front of the mirror , just as far behind the mirror as the object itself is in front . Let MM , be a mirror , edgeways to us 8 [ CHAP . GEOMETRICAL OPTICS .
Page 11
... an image of itself formed just as far behind the mirror as the point itself is in front of the mirror . Thus , if QQQ , be any object placed in any position in front of the mirror M , M ,, it will IL ] II PLANE REFLEXION .
... an image of itself formed just as far behind the mirror as the point itself is in front of the mirror . Thus , if QQQ , be any object placed in any position in front of the mirror M , M ,, it will IL ] II PLANE REFLEXION .
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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 cosē 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