A Text-book of PhysicsLongmans, Green, and Company, 1902 - 951 páginas |
Dentro del libro
Resultados 1-5 de 100
Página 9
... distance between the centres of the transverse lines in the two gold plugs in the bronze bar deposited in the Office of the Exchequer shall be the genuine standard yard at 62 ° F. , and if lost it shall be replaced by means of its ...
... distance between the centres of the transverse lines in the two gold plugs in the bronze bar deposited in the Office of the Exchequer shall be the genuine standard yard at 62 ° F. , and if lost it shall be replaced by means of its ...
Página 18
... distance equal to the pitch of the screw , i.e. to the distance between two consecutive threads . By making the pitch of a screw small , and also attaching a drum - shaped head of considerable diameter which is divided into a number of ...
... distance equal to the pitch of the screw , i.e. to the distance between two consecutive threads . By making the pitch of a screw small , and also attaching a drum - shaped head of considerable diameter which is divided into a number of ...
Página 20
... distance and its position accurately adjusted . The position of the carriage c is read off on the scale by means of a vernier , v . A spirit- level , L , serves to show when the axis of the telescope is horizon- tal , a screw , F ...
... distance and its position accurately adjusted . The position of the carriage c is read off on the scale by means of a vernier , v . A spirit- level , L , serves to show when the axis of the telescope is horizon- tal , a screw , F ...
Página 24
... distances NP and MP , the position of P is defined . For if we measure off from o along ox a distance OM equal to NP , and through M draw a line parallel to YY ' , the point P must lie somewhere on this line . In the same way P must lie ...
... distances NP and MP , the position of P is defined . For if we measure off from o along ox a distance OM equal to NP , and through M draw a line parallel to YY ' , the point P must lie somewhere on this line . In the same way P must lie ...
Página 25
... distance equal to the length of this line . → In geometry the expression OP is used simply to designate a line . When , however , it is used to designate the operation by which the line is drawn , i.e. the motion of a tracing point in ...
... distance equal to the length of this line . → In geometry the expression OP is used simply to designate a line . When , however , it is used to designate the operation by which the line is drawn , i.e. the motion of a tracing point in ...
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Términos y frases comunes
amplitude angle of incidence axis Boyle's law called calorimeter carbon dioxide centimetre Charles's laws circle coefficient colours column constant convex lens corresponding curvature curve cylinder density direction displacement distance equal equation force acting fork frequency gases given glass Hence horizontal hydrogen incident increase interval kinetic energy length lens light liquid magnet mass measured medium mercury mirror molecules motion moving object obtained octave overtones parallel particle pass pendulum perpendicular piston plane plate pole portion position pressure prism produced quantity of heat radiation radius ratio reflected rays refracted ray refractive index represent resonator right angles rotation scale shown in Fig solid sound-waves sounding body specific heat sphere straight line string substance suppose surface tension T₁ temperature tion tone tube unit vapour velocity of sound vertical vessel vibrations volume wave-front wave-length waves weight
Pasajes populares
Página 580 - When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media.