By Colin Cooke
Figuring out, designing and engaging in experiments is on the center of technological know-how. this article introduces the basic rules on which physicists should still construct an intensive experimental method of their discipline.
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Extra info for An introduction to experimental physics
Write a scientific report. General discussion 1. Choice of subject In industry a suitable subject might arise from a problem encountered in a manufacturing process, such as the need to make a product more reliable or cheaper. University research may be more concerned to ask fundamental questions about the way the universe functions. A teacher in a classroom selects experiments based on the ideas, in physics or experimentation, at a level suitable for the students concerned, or sets tasks to practise a particular skill.
It is worthwhile preparing enough columns in your table to contain both the basic and transformed data, as there is nothing worse than having to keep turning pages to compare the two. To avoid doing this, or preparing another table, it is good practice to leave a couple of columns empty, in case you feel the need to carry out some other transformation not thought of at the time. Corrections should be made by crossing out the wrong value and writing in the correct one, not by overwriting, as this can become unclear.
Make preliminary measurements The preliminary experiments will attempt to decide which factors are important in bringing about the effect, as well as those variables which are not important. If one takes the simple approach, and investigates a single variable at a time, this will necessitate many experiments. 6. Analysis of preliminary results This will result in lists of important and negligible factors, with magnitudes of their effects. 7. Redesign the experiment From the many preliminary measurements this will seek to establish the crucial tests for understanding the phenomenon.
An introduction to experimental physics by Colin Cooke