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on September 12, 2020
This experiment is to determine the value of g by finding time(t) taken for a number (n) of oscillation for different value of L. A table of time and L is then obtained.
A graph of L against will be a straight line . The slope of the graph will be . The value of g can be obtained from the slope of the graph.
Slope =
Example
In an experiment to determine acceleration due to gravity g, the slope of the graph obtained during the experiment was . What is the value of g ? take
Solution
Slope =
Precautions to be taken for this experiment
- The amplitude of oscillation must be very small.
- The string should be very light and in extensible
- The support must be rigid
- The counting of the number of oscillation must be done painstakingly
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