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E-book
Author Squires, G. L. (Gordon Leslie)

Title Practical physics / G.L. Squires
Edition Fourth edition
Published Cambridge ; New York : Cambridge University Press, 2001
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Description 1 online resource (xi, 212 pages) : illustrations
Contents 1 Object of practical physics 1 -- Part 1 Statistical Treatment of Data -- 2.1 Importance of estimating errors 5 -- 2.2 Systematic and random errors 6 -- 2.3 Systematic errors 8 -- 3 Treatment of a single variable 9 -- 3.2 Set of measurements 10 -- 3.3 Distribution of measurements 10 -- 3.4 Estimation of [sigma] and [sigma subscript m] 14 -- 3.5 Gaussian distribution 18 -- 3.6 Integral function 19 -- 3.7 Error in the error 22 -- 3.8 Discussion of the Gaussian distribution 22 -- Summary of symbols, nomenclature, and important formulae 24 -- 4 Further topics in statistical theory 27 -- 4.1 Treatment of functions 27 -- 4.2 Straight line--method of least squares 30 -- 4.3 Straight line--points in pairs 36 -- 4.4 Weighting of results 37 -- Summary of equations for the best straight line by the method of least squares 39 -- 5 Common sense in errors 43 -- 5.1 Error calculations in practice 43 -- 5.2 Complicated functions 46 -- 5.3 Errors and experimental procedure 48 -- Summary of treatment of errors 50 -- Part 2 Experimental Methods -- 6 Some laboratory instruments and methods 55 -- 6.2 Metre rule 55 -- 6.3 Micrometer screw gauge 57 -- 6.4 Measurement of length--choice of method 58 -- 6.5 Measurement of length--temperature effect 61 -- 6.6 Beat method of measuring frequency 62 -- 6.7 Negative feedback amplifier 64 -- 6.8 Servo systems 67 -- 6.9 Natural limits of measurement 69 -- 7 Some experimental techniques 73 -- 7.1 Rayleigh refractometer 73 -- 7.2 Measurement of resistivity 79 -- 7.3 Absolute measurement of the acceleration due to the Earth's gravity 86 -- 7.4 Measurement of frequency and time 94 -- 7.5 Global Positioning System 98 -- 8 Experimental logic 102 -- 8.2 Apparent symmetry in apparatus 102 -- 8.3 Sequence of measurements 103 -- 8.4 Intentional and unintentional changes 104 -- 8.5 Drift 105 -- 8.6 Systematic variations 106 -- 8.7 Calculated and empirical corrections 109 -- 8.8 Relative methods 111 -- 8.9 Null methods 113 -- 8.10 Why make precise measurements? 114 -- 9 Common sense in experiments 117 -- 9.1 Preliminary experiment 117 -- 9.2 Checking the obvious 118 -- 9.3 Personal errors 119 -- 9.4 Repetition of measurements 119 -- 9.5 Working out results 121 -- 9.6 Design of apparatus 122 -- Part 3 Record and Calculations -- 10 Record of the experiment 125 -- 10.2 Bound notebook versus loose-leaf 125 -- 10.3 Recording measurements 126 -- 10.4 Down with copying 126 -- 10.5 Diagrams 127 -- 10.7 Aids to clarity 130 -- 10.8 Some common faults--ambiguity and vagueness 131 -- 11 Graphs 133 -- 11.1 Use of graphs 133 -- 11.2 Choice of ruling 137 -- 11.3 Scale 137 -- 11.4 Units 138 -- 11.5 Some hints on drawing graphs 138 -- 11.6 Indicating errors 141 -- 11.7 Sensitivity 142 -- 12 Arithmetic 144 -- 12.1 Arithmetic is important 144 -- 12.2 Computers 144 -- 12.3 Calculators 145 -- 12.4 Ways of reducing arithmetical mistakes 145 -- 12.5 Checking algebra 148 -- 13 Writing a paper 152 -- 13.2 Title 152 -- 13.4 Plan of paper 153 -- 13.5 Sections of paper 153 -- 13.6 Diagrams, graphs, and tables 155 -- 13.8 Clarity 156 -- 13.9 Good English 156 -- A Evaluation of some integrals connected with the Gaussian function 161 -- B Variance of s[superscript 2] for a Gaussian distribution 164 -- C Straight line--the standard error in the slope and intercept 166 -- Comment on the dependence of m, c, and b 170 -- D Binomial and Poisson distributions 171 -- Binomial distribution 171 -- Poisson distribution 173 -- E X[superscript 2] distribution--test of goodness of fit 176 -- Derivation of x[superscript 2] distribution 177 -- Function P[subscript n](x[superscript 2]) 180 -- Degrees of freedom 181 -- Test of goodness of fit 182 -- Worked examples 184 -- F SI units 188 -- Names and symbols 189 -- Decimal factors 190 -- Relation to c.g.s. units 190 -- Definition of the SI base units 191 -- G Values of physical constants 192 -- H Mathematical tables 193 -- Values of the Gaussian function and the Gaussian integral function 193 -- Values of x[superscript 2] for given v and P 194
Bibliography Includes bibliographical references (pages 206-208) and index
Notes Description based on print version record
Subject Physics -- Experiments.
Physics -- Methodology.
Form Electronic book
ISBN 0521770459
0521779405
113916449X (electronic bk.)
1139641425
1139649043 (electronic bk.)
9780521770453
9780521779401
9781139164498 (electronic bk.)
9781139641425
9781139649049 (electronic bk.)