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accuracy accurate adjustment angle Apparatus required Arrange axis balance beam body bulb calculated calorimeter cell centre circuit coil compared connected constant cooling correction cross wires curve deflection density determine diameter difference direction distance divisions edge equal equation error exercise experiment field flame follows force galvanometer give given glass graduated grams half heat Hence horizontal increase interval known length lens light liquid magnetic marked mass mean measured mercury method minutes mirror moved nearly necessary needle object observations obtained ohms oscillation parallel passing placed plane position possible pressure prism produced quantity reading repeat resistance rest rotation scale screw side slit solution standard sufficient surface suspended taken tangent telescope temperature thermometer tube turn vertical volume wave-length weight wire zero
Page 54 - Archimedes, that the apparent loss of weight is equal to the weight of the liquid displaced by the body.
Page 325 - If, however, much of the turpeth mineral be formed, it shows that there is a great deal of the acid sulphate present, and it will then be wiser to obtain a fresh sample of mercurous sulphate, rather than to try by repeated washings to get rid of all the acid. The free mercury helps in the process of removing the acid, for the acid mercuric sulphate attacks it, forming mercurous sulphate.
Page 67 - According to theorem of parallel axes, the moment of inertia of a body about any axis is equal to...
Page 200 - ... them, light again passes through the analyzer; and in order again to produce extinction, the analyzer must be rotated upon the axis of the ray to the right or to the left. Substances capable of thus influencing polarized light are said to be optically active. If, to produce extinction, the analyzer is turned in the direction of the hands of a watch, the substance is said to be dextrogyrous / if in the opposite direction, IcevogiJrous.
Page 324 - Mercurous sulphate treated as described in 3 should be added in the proportion of about 12 per cent, by weight of the zinc sulphate crystals to neutralise any free zinc oxide remaining, and the solution filtered, while still warm, into a stock bottle.
Page 68 - Show that the moment of inertia of a body about any axis is equal to the moment of inertia about a parallel axis through the...
Page 68 - Steiner. is true for bath a plane laminar body and a thin three-dimensional body, and states that the moment of inertia of a body about any axis is equal to its moment of inertia about a parallel axis through...
Page 325 - Take mercurous sulphate, purchased as pure, mix with it a small quantity of pure mercury, and wash the whole thoroughly with cold distilled water by agitation in a bottle ; drain off the water, and repeat the process at least twice. After the last washing drain off as much of the "water as possible.
Page 325 - C. Keep the paste for an hour at this temperature, agitating it from time to time, then allow it to cool ; continue to shake it occasionally while it is cooling. Crystals of zinc sulphate should then be distinctly visible, and should be distributed throughout the mass ; if this is not the case, add more crystals from the stock bottle, and repeat the whole process. This method ensures the formation of a saturated solution of zinc and mercurous sulphates in water. To set up the Cell. The cell may conveniently...