A0 Int Lab 2 - Second Introductory Lab Experimental...

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Second Introductory Lab Experimental Uncertainty and Data Analysis Objectives: More practice on how to use and read the scales of the vernier and micrometer calipers, meter stick, triple beam balance, and stopwatch. Make electrical measurements by using and reading the scale of a multimeter (if available). Measure the “Reaction Time” as described on page 9 in the Lab Manual. Determine, experimentally, the density of a regularly shaped object. Categorize the types of experimental errors and think about how they may be reduced. Distinguish between accuracy and precision. Consider the appropriate significant figures in dealing with measurement values, expressing the uncertainty, and statistical data analysis. Calculate the propagation of error in combining measurements of a number of variables. Equipment: Vernier and micrometer calipers (metric), meter stick, triple beam balance, and multimeter. Hollow cylindrical metal rod, a sphere (metal, ball bearing or marble), a piece of wire, a rectangular piece of metal sheet (or, alternatively, a sheet of paper), and simple electrical loop (if available). Exercise 1: Review, carefully, your manual “Introduction to Experimental Physics”: chapters 4, 5, 6, and 7 on the types of error, random errors, propagation of errors, and graphical analysis and linear regression, respectively. Review chapter 2 of your manual “Introduction to Experimental Physics” on “Health and Safety in the Laboratory”.
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A0 Int Lab 2 - Second Introductory Lab Experimental...

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