The Theory of MeasurementsJefferson Laboratory of Physics, 1916 - 303 páginas |
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Términos y frases comunes
accuracy accurate angle approximate average avoirdupois base line black thread calculation caliper centimetres Chauvenet's criterion circular functions cm³ column constant errors contour lines corresponding cubic centimetre decimal places density determination deviation dispersion distance divided draw equal equation estimate example formula fraction frequency give given gram graphic diagram horizontal hundredths inches indirect measurement intervals length logarithmic scales logarithms mark means median mental calculation ments method metre millimetre multiplying natural number negative notebook notice numerical values obtained ordinate parabola percent Plot position probable error proportional protractor quantity quartile Questions and Exercises.-1 quotient radius ratio represent result scale significant figures sine slide rule slope smooth curve square root straight line student subtraction tangent temperature tenths tion unit usually variation vernier vernier caliper vertical volume weight whole number write x-axis x-values y-axis y-intercept zero
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Página 6 - In any proportion, the product of the means is equal to the product of the extremes.
Página 36 - specific gravity" of a substance is defined as the ratio of the...
Página 68 - ... length is specified, a default value (implementation dependent) is assumed according to the type of the expression e. 8. e2 — called the fraction length — is an optional control and is applicable only when e is of type real . It must be a natural number and specifies the number of digits to follow the decimal point . (The number is then said to be written in fixed-point notation.) If no fraction length is specified, the value is printed in decimal floating-point form. 10. If the value e is...
Página 26 - The international standard of length is a bar of a platinum-iridium alloy called the standard meter, which is kept at the International Bureau of Weights and Measures near Paris, France.
Página 68 - ... superfluous figures if the larger factor is used as the multiplier, but will give as many as the larger factor contains if that is used as the multiplicand. Of course the best method is to round off the larger factor before multiplying, so that it has no more figures than the smaller one. Standard Form.
Página 192 - ... instructors, or else the grades given by all instructors must be stated in terms of the same average and same dispersion. Otherwise, the taking of an average is not allowable, and the grade criterion instantly loses one of its greatest advantages. Finally, grades as measures of ability are subject to both accidental and constant errors. The difference between constant errors and accidental errors must be carefully noted, for it will play a very important part in discussions to follow.8 An accidental...
Página 150 - Galileo's suppositions that small vibrations of the pendulum are isochronous, and that the space traversed by a falling body is proportional to the square of the time it has been falling.
Página 5 - ... watch their participation and thus time his delivery. Listeners are frequently asked to repeat pronunciations of words, to answer questions, or to draw pictures; consequently the radio teacher must learn to give adequate opportunity for this participation. It is also wise to repeat essential material, but this should be done in such a way as not to bore the listener. Music Instruction Since Dr. Joseph E. Maddy...
Página 95 - Division.@Set the divisor on B under the dividend on A, and read the quotient on A over the index of B; or set...