Examples in PhysicsMacmillan and Company, 1888 - 260 páginas |
Dentro del libro
Resultados 1-5 de 9
Página 154
... distance p from a con- cave mirror of focal length ƒ : prove that the image is formed at a distance p ' , which is given by the equation , 1 / f = 1 / p + 1 / p ' . Rules for Optical Calculations . In order to avoid con- fusion as to ...
... distance p from a con- cave mirror of focal length ƒ : prove that the image is formed at a distance p ' , which is given by the equation , 1 / f = 1 / p + 1 / p ' . Rules for Optical Calculations . In order to avoid con- fusion as to ...
Página 155
... focal length of a concave mirror is positive ; of a convex mirror negative . The focal length of a convex ( convergent ) lens is negative ; of a concave ( divergent ) lens positive , i.e. , for for ( concave mirrors { { concave lenses ...
... focal length of a concave mirror is positive ; of a convex mirror negative . The focal length of a convex ( convergent ) lens is negative ; of a concave ( divergent ) lens positive , i.e. , for for ( concave mirrors { { concave lenses ...
Página 156
... lens is indicated by the sign of ƒ : thus the mirror or lens is concave if ƒ is positive , and is convex if ƒ is negative . 17. An object is placed at a distance of 10 cm . in front of a convex mirror of 30 cm . focal length ; where ...
... lens is indicated by the sign of ƒ : thus the mirror or lens is concave if ƒ is positive , and is convex if ƒ is negative . 17. An object is placed at a distance of 10 cm . in front of a convex mirror of 30 cm . focal length ; where ...
Página 158
... focal length of the mirror ? 25. An object is placed 5 in . from a concave mirror of 6 in , focal length : where is the image produced , and what is the magnification ? 26. It is desired to throw upon a wall an image of an object ...
... focal length of the mirror ? 25. An object is placed 5 in . from a concave mirror of 6 in , focal length : where is the image produced , and what is the magnification ? 26. It is desired to throw upon a wall an image of an object ...
Página 162
Daniel Evan Jones. It can be proved1 that the focal length of a lens , in terms of its refractive index and the radii of curvature of its surfaces , is given by the formula 1 / f = ( μ- 1 ) ( 1 / r1 − 1 / r2 ) . In applying this we must ...
Daniel Evan Jones. It can be proved1 that the focal length of a lens , in terms of its refractive index and the radii of curvature of its surfaces , is given by the formula 1 / f = ( μ- 1 ) ( 1 / r1 − 1 / r2 ) . In applying this we must ...
Otras ediciones - Ver todas
Términos y frases comunes
acceleration amount of heat ampère Assistant Master atmospheric pressure barometer barometric height battery body of mass C.G.S. units Calculate calorimeter Camb Cambridge cells charge circuit coefficient of expansion College column constant containing copper cubic centimetres cubic foot cylindrical deflection denote density diameter distance dynes electricity electromotive force ELEMENTARY equal equation ergs expressed Fcap feet per second find the specific focal length foot-pounds galvanometer glass grammes GREEK heat-units horse-power Illustrated immersed internal resistance iron kilogramme kinetic energy latent heat lens liquid litre logarithm magnetic Matric measure melted mercury metres per second miles mirror mixture ohms pendulum piston placed pole potential poundals pounds pounds weight produced Prof Professor prove radius revised School specific gravity specific heat sphere square centimetre square inch steam string surface temperature tube unit of length velocity vertical vessel volume weight per square wire
Pasajes populares
Página 27 - New Edition. Crown 8vo. $s. KEY TO PLANE TRIGONOMETRY. Crown 8vo. los. 6d. A TREATISE ON SPHERICAL TRIGONOMETRY. New Edition, enlarged. Crown 8vo. 4-?. 6d. PLANE CO-ORDINATE GEOMETRY, as applied to the Straight Line and the Conic Sections. With numerous Examples.
Página 25 - Prize Essay for 1877. 8vo. &. 6d. SMITH— Works by the Rev. BARNARD SMITH, MA, Rector of Glaston, Rutland, late Fellow and Senior Bursar of St. Peter's College, Cambridge. ARITHMETIC AND ALGEBRA, in their Principles and Application ; with numerous systematically arranged Examples taken from the Cambridge Examination Papers, with especial reference to the Ordinary Examination for the BA Degree.
Página 26 - KITCHENER— A GEOMETRICAL NOTE-BOOK, containing Easy Problems in Geometrical Drawing preparatory to the Study of Geometry. For the use of Schools.
Página 51 - LETHBRIDGE— A SHORT MANUAL OF THE HISTORY OF INDIA. With an Account of INDIA AS IT is. The Soil, Climate, and Productions ; the People, their Races, Religions, Public Works, and Industries ; the Civil Services, and System of Administration. By...
Página 26 - FOUR-FIGURE MATHEMATICAL TABLES. Comprising Logarithmic and Trigonometrical Tables, and Tables of Squares, Square Roots, and Reciprocals. By JT BOTTOMLEY, MA, Lecturer in Natural Philosophy in the University of Glasgow.
Página 35 - LESSONS IN ELEMENTARY CHEMISTRY, INORGANIC AND ORGANIC. By HENRY E. ROSCOE, FRS, Professor of Chemistry in Owens College, Manchester. With numerous Illustrations and Chromo-Litho of the Solar Spectrum, and of the Alkalies and Alkaline Earths. New Edition. Fcap. 8vo. qs. 6d. " As a standard general text-book it deserves to take a leading place. "— SPECTATOR. " We unhesitatingly pronounce it the best -of all our elementary treatises on Chemistry.
Página 33 - AN ELEMENTARY TREATISE ON THE LUNAR THEORY, with a Brief Sketch of the Problem up to the time of Newton. Second Edition, revised. Crown 8vo.
Página 18 - HISTORICAL OUTLINES OF ENGLISH ACCIDENCE, comprising Chapters on the History and Development of the Language, and on Word-formation.
Página 11 - HODGSON -MYTHOLOGY FOR LATIN VERSIFICATION. A brief Sketch of the Fables of the Ancients, prepared to be rendered into Latin Verse for Schools.