Experiment (1) Measurements and Uncertainties

Student Name:.....................................................................​

Experiment’s Objectives

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Results

Part 1: Determination of p

1) Tabulate your readings in Table (1.1)

	d (cm)	c (cm)
1	1.665	5.225
2	1.755	5.555
3	3.685	11.565
4	2.755	8.565
5	2.675	8.355
average

2) Calculate π from the averages.    

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Part 2: Determination of density

1) Tabulate your measurements in Table (1.2) below.

	d (cm)	L (cm)
1	1.25	3.25
2	1.25	3.45
3	1.45	3.65
4	1.35	3.75
5	1.25	3.45
Average
m	52 g	---

2) Calculate averages in the table above.

3) Calculate the density of the rod.

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3) Derive the unit of the density ():

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4) Write about the history of the π, how discover it and how hediscovers it.

5) Write three wonders properties about (π).)(عجائب الثابت π

(c)circumference of a circle

(d) Density