# Exercises in Physical Measurement

Allyn and Bacon, 1895 - Physics - 198 pages

### Contents

 SOUND PAGE 99 A DISCUSSION OF RESULTS 121 B MANIPULATIONS 132 Quartz Fibres 138
 ELASTICITY 183 78 189 Index 195 Copyright

### Popular passages

Page 22 - The loss of weight of a body immersed in a fluid is equal to the weight of the displaced fluid, or a body immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by it.
Page 180 - If the number is greater than 1 , the characteristic is one less than the number of places to the left of the decimal point. II.
Page 180 - If the number is less than 1, make the characteristic of the logarithm negative, and one unit more than the number of zeros between the decimal point and the first significant figure of the given number.
Page 49 - The coefficient of linear expansion («) is the change in length, per unit of length, for a change of one degree of temperature. The coefficient of surface expansion is approximately...
Page 21 - From this it appears that the true weight of a body may be found upon a balance of unequal arms by weighing first in one pan and then in the other and taking the square root of the product. If...
Page 75 - Ike current is directly proportional to the electromotive force and inversely proportional to the resistance.
Page 23 - ... the ratio of the mass of a given volume of the substance to the mass of an equal volume of water, in which case it is equal to the specific gravity. In its application to gases, the term
Page 129 - N is the number of observations and M is the number of variables or measurements The computer program to accomplish this is outlined.
Page 89 - Current in a wire 1 cm. long bent into an arc of 1 cm. radius exerts a force of 1 dyne on unit pole placed at the centre.
Page 58 - This buIb is cooled by the evaporation, the rate of which, and hence the resultant cooling, depends in a definite manner upon the relative humidity of the air. The dew point is the temperature at which the air becomes "saturated" with water vapor, so that the relative humidity is 100%. It is the temperature at which the maximum saturation vapor pressure of water would be equal to the actual partial pressure of the water vapor in the atmosphere. At the dew point, wet-and-dry-buIb thermometers read...