Examples in PhysicsMacmillan, 1898 - 348 pages |
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Expressions et termes fréquents
acceleration amount of heat ampère angle atmospheric pressure B.Sc barometer battery body of mass Boyle's law C.G.S. units Calculate calorimeter Camb capacity cells centre charge circuit coefficient of expansion column conductor constant convex lens copper cubic centimetres cubical expansion Daniell cells deflection denote density diameter distance dynes electricity equal equation equivalent ergs feet per second Find the specific focal length foot-pounds galvanometer given glass grammes grammes of water heat-units horizontal horse-power immersed inches internal resistance kilogramme lamp latent heat liquid litres magnetic Matric measured melted mercury metres per second miles minute object ohms piston placed plane pole poundals pounds produced Prove quantity radius raised ratio refractive refractive index Schol shunt specific gravity specific heat sphere spherical steam string surface tangent galvanometer temperature tube vertical vibrations volts volume weight wire
Fréquemment cités
Page 299 - A battery of twelve equal cells in series screwed up in a box, being suspected of having some of the cells wrongly connected, is put into circuit with a galvanometer and two cells similar to the others. Currents in the...
Page 5 - After discussion the following resolutions were agreed to : — 1. That the resistance of a specified column of mercury be adopted as the practical unit of resistance. 2. That 14-4521 grammes of mercury in the form of a column of uniform cross section 106-3 cm.
Page 21 - The logarithm of a quotient is found by subtracting the logarithm of the divisor from that of the dividend.
Page 323 - Leyden jar consists of two concentric spherical surfaces of 5 and 6 cm. diameter respectively, the intervening space being filled with air. The outer sphere is uninsulated, the inner is charged with 20 units of electricity. How much work is done when the inner sphere is put to earth ? SK 1893.
Page 255 - How much energy is expended in carrying a charge of 50 units of electricity from a place where the potential is 20 to another where it is 30? What is meant by saying that the potential of a conductor is 20?
Page 97 - In a medium condition of the atmosphere, and near the sea-level, barometrical observations give the pressure or weight equal to that of a column of mercury, 30 inches high, or of a column of water about 34 feet high.
Page 20 - The characteristic of the logarithm of a number greater than unity is one less than the number of integral figures in that number.
Page 214 - Determine the size and position of the image. 8. Define the focal length of a spherical reflecting surface. How far from a concave mirror of radius 3 feet, would you place an object to give an image magnified three times ? Would the image be real or virtual ? 9. A bright object, 4 inches high, is placed on the principal axis of a concave spherical mirror, at a distance of 15 inches from the mirror. Determine the position and size of its image, the focal length of the mirror being 6 inches. 10. Describe...
Page 20 - If, therefore, a number is an exact power of 10, its logarithm is a whole number. If a number is not an exact power of 10, its logarithm will not be a whole number, but will be made up of an entire part plus a fractional part, which is generally expressed decimally. The entire part of the logarithm is called the characteristic ; the decimal part is called the mantissa.
Page 7 - The force of attraction or repulsion between two point charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.