Errors In Simple MEasurements

# Errors In Simple MEasurements - OBJECTIVE AND BACKGROUND...

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OBJECTIVE AND BACKGROUND Objective: The purpose of this experiment is to use different measuring techniques to minimize the errors and uncertainties within the experiment. Different measurement tools such as a meter stick, a calliper and a scale will be used on solid objects in order to determine the mass and the dimensions of the rectangular solids investigated. The data collected then will be used to calculate the volume and density of the solid objects. This lab is really important to us because most labs in physics deal with measurements and uncertainties. By doing this lab we will ensure that future measurements and uncertainties will be more accurate, so the better results will be achieved. Background: Crucial to the process of error analysis is the understanding that no measurement is exact, there is always some uncertainty in a measurement and a statement of the result of a measurement in incomplete without a statement if its uncertainty. In this experiment, paralx is on of the methods of measurement. Therefore parallax is the apparent displacement of an observed object due to change in the position of the observer. The following equations will be used in the following lab: Volume of a rectangular prism = Length x Width x Height = L x W x H Density using measurements = Mass / Volume = m / V

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PROCEDURE & OBSERVATIONS This experiment consists of 3 parts (A, B &C). In Part A we will discuss about parallax and how it can affect the measurements collected from the experiment depending on the measuring tools used to collect data during the experiment. Part B includes the direct measuring of the mass and the dimensions of the block (length (m), width (m) and height (m) by means of a scale, a meter stick ruler and a calliper. The data from the previous direct measurements along with their different uncertainties will be put to use when measuring the volume (L) and density (kg/L or kg/m 3 ) of the solid object by indirect means. In part C, the solid block was immersed in water and by using Archimedes's principle, the displacement of the solid block was measured in order to calculate and compare the volume and the density of the same solid block.
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Errors In Simple MEasurements - OBJECTIVE AND BACKGROUND...

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