A Manual of Elementary Practical Physics for High Schools |
Other editions - View all
Common terms and phrases
Adjust ampere angle apparatus axis barometer battery block body Boyle's law brass burette caliper calorimeter cell centre charge circuit clamp coil column compute conductor convex lens copper cork cubic centimetre cylinder d'Arsonval galvanometer Daniell cell deflection determine diameter difference of potential direction disc distance edge electromotive force electroscope equal Errors experiment given glass tube grammes grammes of water illumination length lens light liquid magnet means measure mercury metal metre metric micrometer millimetre mirror move needle observations obtained Ohm's law parallax parallel perpendicular plane plate pointer pole position pressure Procedure pupil quantity of heat refraction resistance scale division screen screw side solid specific gravity steam substance surface take the reading tangent galvanometer temperature tenths thermometer tion unit velocity of sound vernier vertical vibration volume water equivalent waves weight wire zero reading zinc
Popular passages
Page 164 - 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.
Page 79 - ... and the perpendicular distance from the axis of rotation to the line of action of the force.
Page 16 - The solar day is the interval between two successive transits of the sun's centre across the meridian of any given place.
Page 230 - Ohm's law, the current generated is equal to the electromotive force divided by the resistance of the circuit.
Page 73 - If three forces acting at a point are in equilibrium, they can be represented in magnitude and direction by the three sides of a triangle taken in order.
Page 10 - TT is constant, or, the time of vibration of a pendulum varies directly as the square root of the length, and inversely as the square root of the accelerating force.
Page 85 - The ratio of the weight of a given volume of a substance to the weight of an equal volume of water at 4 °C.
Page 148 - The incident ray, the reflected ray, and the normal to the surface at the point of incidence, all lie in the same plane. When a ray of light is refracted, n sin <t> = n...
Page 86 - A solid immersed in a liquid is buoyed up by a force equal to the weight of the liquid displaced.
Page 95 - The pressure of a given mass of gas at constant temperature is inversely proportional to its volume.