Write down the final result in the following form:ģ.4. Calculate the absolute error of the body density measurement according to the formula:ģ.3. Calculate average value of a body density in SI units by using valuesģ.2. Calculation of the body density and absolute error of indirect measurementģ.1. Calculate the resulting fractional error for density of a body according to the formula: Determine the fractional error of measurements results according to the formula:Ģ.7. Determine an absolute error according to the formula:Ģ.6. Enter the obtained data into table 1.Ģ.5. Where the Student’s coefficient is t St = 2,78 ( n = 5 and a = 0,95).Ĭalculations are performed with the accuracy of three or four significant digits. Determine random errors of direct measurements according to the formula: Determine root-mean-square deviations according to the formula:Ģ.4. Calculate random deviation of every obtained result according to the formula:Ģ.3. Enter the obtained data into table 1.Ģ.2. Determine an arithmetic mean value of all measurement results according to the formula: Determination of direct measurements absolute error. Enter instrumental errors of mass, diameter and height measurements into table 1. Enter the obtained results into table 1.ġ.3. Take values of sample mass from a teacher. Enter the obtained results into table 1.ĭeviation of measured value from average valueġ.2. Measure diameter d and height h of the cylindrical body by using slide-clipper and micrometer. Measurement of cylindrical body parametersġ.1. To study the rules of physical measurement results treatment to determine the error of the indirect measurements of the cylindrical body density as a result of the repeated direct measurements of its geometrical values and mass THE PHYSICAL MEASUREMENT ERRORS CALCULATIONĭetermination of a Solid Body Density The purpose of the work:
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