PHYSICS 163 Student’s name Instructor’s name LAB 1: MEASUREMENT Measurement one 2 Introduction Measurement is where a number or a value is assigned to an object characteristics so that it can be compared to another. In this experiment we are going to deal with the measurement of length an time. In measurements there is some degree of uncertainty that come about from some sources. A measured value should therefore contain the level of confidence associated with the measured value. This is important because people can make judgments on the quality of the experiment. It also allows for the comparison with similar values or the theoretical predictions. Measurement can therefore be regarded as, 𝑀𝑒𝑎𝑠𝑢𝑟𝑒𝑚𝑒𝑛𝑡 = (𝑏𝑒𝑠𝑡 𝑒𝑠𝑡𝑖𝑚𝑎𝑡𝑒 + 𝑢𝑛𝑐𝑒𝑟𝑡𝑎𝑖𝑛𝑖𝑡𝑦)𝑢𝑛𝑖𝑡𝑠 In taking measurements there are three things to consider about the measurement at the basic level. These are, Accuracy of the measurement, precision of the measurement, and uncertainty of the measurement. Accuracy is how close the measured value is to the accepted value. Precession is the degree of inconsistency among independent measurements of the same quantity. A series of trial in an experiment can be done and the average of the value obtained using the formula. 𝐴𝑣𝑒𝑟𝑎𝑔𝑒 = 𝑠𝑢𝑚 𝑜𝑓 𝑡ℎ𝑒 𝑟𝑒𝑠𝑢𝑙𝑡𝑠 𝑜𝑓 𝑒𝑎𝑐ℎ 𝑡𝑟𝑖𝑎𝑙 𝑛𝑢? ...
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