Lab Report Micrometer

Published: 2021-07-07 00:07:05
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Category: Physics

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Lab ReportIn this Lab, I have learned the use of Micrometer, Vernier Caliper, and Digital meter. With the learning from the Lab, I can now measure the length of any object with the help of Vernier Caliper, Micrometer, and Digital meter. I have taken measurements of different objects with the help of these instruments.Measuring with the Micrometer:The micrometer is a precise measuring device, mostly used by engineers each part of the micrometer was designed with the ideas and variables that were outlined in concept design.  The interchangeable micrometer was developed to reach the goal of improving the older models of micrometers to make it more efficient and affordable.  The dimensions of the tools and functionality of the device were chosen with the idea of not having to replace micrometers at different points where various sizes were needed. A micrometer is a dedicated measuring instrument, and it needs special care to handle it, it is also essential that the micrometer is fully calibrated to avoid any error in the final readings(“Measurement Of Length,” 2011)I have measured the diameter of the pen by gently closing the micrometer and record its shift from zero. The reading was 10+0.5+0.05.Measuring a length that has distinct edges:We have used a ruler to measure the width of the wrist. Then we can place the ruler directly against the outer edge of the wrist, which also has a varying width, to read the ruler we have eyeballed across the distance between the ruler and the outer edge of the wrist. We have noted that as we move the eyeball the ruler reading changes. This is the form of parallax. The measurements taken areHeight =27.4 cm      Width: 21.6 cm  ∆x= ±0.05Measuring with a digital meterMeasuring with the digital meter is the easiest and the most accurate method of the modern world. It gives reading in the digital format with high accuracy rate. It has a built in software that calculate the measurements. Mostly PASCO software is used for accurate measurements for up to the accuracy of 99%.Measuring with the Vernier caliperIn Vernier Caliper, the objects which are needed to be measured is placed between the jaws as shown in the figure. The Jews are tightening in such a way that the jaws could hold the object pleased between them. Then the readings are taken with the help of the ruler (main scale and vernier scale) as shown in the figure below. The main scale shows the measurement of the object placed between the jaws and the vernier scale shows the percentage of possible error in it.(“How To Read A Vernier Caliper,” 2014)I have measured an object with the help of vernier caliper, and Reading is 4.1 +0.01*4.Measuring a length that has indistinct or distant edges:Indistinct and distant edges can be measured with the help ruler. I have measured the length of an object with the help of the ruler. The length was 4.4 cm.Gaussian distribution:In probability model, the Gaussian distribution is a very common continuous probability distribution. Gaussian distributions are significant in statistics and are frequently used in the normal and social disciplines to signify real-valued random variables whose distributions are not known.The Measurement of Gaussian distribution isHeight Frere: 6.9 – 6.7 -6.5 – 6.6, 5.9, 5.8, 5.5, 6.0, 5.1,5,1ConclusionIn the lab, I have learned how to measure the length of different objects using different instruments and techniques. The Lab activity also helps me in demonstrating the physical instruments used in the lab.ReferencesHow To Read A Vernier Caliper. (2014, November 13). Retrieved September 6, 2017, from https://www.miniphysics.com/how-to-read-a-vernier-caliper.htmlMeasurement Of Length. (2011, December 16). Retrieved September 6, 2017, from https://www.miniphysics.com/measurement-of-length.html

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