CHAPTER 11
Experimental Methods
OUTLINE
- Introduction
- Measurement Techniques
- Design of Experimental Set-up
11.1 Introduction
Experimental methods have been used to study the physics of a given problem to determine the variables that affect the performance of a given machine or system. Once a certain theory is developed then it is verified from the data obtained experimentally. An example of determining velocity of sound through air will tell more than the words. Newton assumed that air temperature may be taken as constant during the distance a sound wave travels and obtained the sound velocity. However, it did not agree with the experimental results. Laplace then argued that the disturbance is so week and time elapsed is so small for travel ...
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