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Experiment Report

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Experiment Report
Cebu Institute of Technology – University
Cebu City
PHYSICS DEPARTMENT
Physics 201 – G01/M02

Name/Course/Year: Noel S. Alvarez BSIT – II Date Submitted: November 29, 2012
Experiment No. 1 Group No./Time/Day: 3 / 12NN-3PM/Thurs

MEASUREMENT, ERRORS AND DENSITY I. Objective: a. To know the principles of good measurement and to compare the precision and accuracy of some commonly used measuring devices. b. To study the types, causes and effects of errors in measurement. c. To determine the density of solids by direct measurements. II. Experimental Set up: d. Apparatus/Materials: i. Ruler calibrated in centimeters and in inches (C) ii. Steel tape calibrated in centimeters (D) iii. Vernier Caliper (A) iv. Micrometer Caliper (B) v. Rectangular (E), Cylindrical (F) , Spherical (G) and Conical (H) block of woods vi. Metal cylinder(K), sphere(J) and coin (I) e. Sketch: (check labels from apparatus/materials list)

III. Data and Results

Table 1. Rectangular Block | Trial | Length | Width | Thickness | Mass | Volume | Density | 1 | 15.21 cm | 10.1 cm | 5.075 cm | 295.6 g | | | 2 | 15.23 cm | 10.1 cm | 5.03 cm | 295.6 g | | | Average | 15.22 cm | 10.1 cm | 5.05 cm | 295.6 g | 777.065 cm3 | 0.380 g/cm3 |

Table 2. Cylindrical Block | Trial | Pi | Radius | Height | Mass | Volume | Density | 1 | 3.1416 | 3.765 cm | 15.27 cm | 666 g | | | 2 | 3.1416 | 3.75 | 15.28 cm | 666 g | | | Average | 3.1416 | 3.758 cm | 15.275 cm | 666 g | 677.713 cm3 | 0.983 g/cm3 |

Table 3. Conical Block | Trial | Pi | Radius | Height | Mass | Volume | Density | 1 | 3.1416 | 3.7 cm | 13.19 cm | 233.1 g | | | 2 | 3.1416 | 3.7 cm | 13.19 cm | 233.1 g | | | Average | 3.1416 | 3.7 cm | 13.19 cm | 233.1 g | 189.058 cm3 | 1.233 g/cm3 |

Table 4. Spherical Block | Trial | Pi | Radius | Mass | Volume | Density | 1 | 3.1416 |
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