Geometrical Optics: Adapted to the Use of the Higher Classes in Schools, Etc |
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Page 1
... light of their own , such as the sun , or a gas - flame , or a red - hot coal ; whereas others send out only light which they have received from something else , as , for instance , the bright spots on the polished back of a chair which ...
... light of their own , such as the sun , or a gas - flame , or a red - hot coal ; whereas others send out only light which they have received from something else , as , for instance , the bright spots on the polished back of a chair which ...
Page 2
... light in every direction in straight lines . It is therefore called a " centre of light , " or a " luminous point . " ( ii ) And any one of such straight lines is called a " Ray . " ( iii ) Any number of consecutive Rays form a " pencil ...
... light in every direction in straight lines . It is therefore called a " centre of light , " or a " luminous point . " ( ii ) And any one of such straight lines is called a " Ray . " ( iii ) Any number of consecutive Rays form a " pencil ...
Page 3
... light passes , such as air , water , & c . , is called a " medium , " and it is called " uniform , " when its ... light . " Light emanating from a luminous circular disc placed in the ceiling of a room , passes through a rectangular ...
... light passes , such as air , water , & c . , is called a " medium , " and it is called " uniform , " when its ... light . " Light emanating from a luminous circular disc placed in the ceiling of a room , passes through a rectangular ...
Page 4
... light from O travel round the hole ABCD : let abcd be the limit of light traced out by it upon the floor below , Fig . 2 . " F D d ( ii ) Take any point P on the boundary of the hole , and think of all the rays disc and pass through P ...
... light from O travel round the hole ABCD : let abcd be the limit of light traced out by it upon the floor below , Fig . 2 . " F D d ( ii ) Take any point P on the boundary of the hole , and think of all the rays disc and pass through P ...
Page 5
... light took a certain curvature , or a similarity to the luminous body , which it regained immediately on freeing itself from the obstacle which had forced it from its shape ...... To ex- plain this phenomenon , we will first notice ...
... light took a certain curvature , or a similarity to the luminous body , which it regained immediately on freeing itself from the obstacle which had forced it from its shape ...... To ex- plain this phenomenon , we will first notice ...
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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