Plotting data as a linear graph is a great way to examine the validity of a model. Sometimes you will have to do something to the variables in order to make the plot a linear function (like ...

Plot a graph of sine of angle of incidence (y axis) against sine of angle of refraction. The gradient of this graph is the refractive index of the material of the semicircular block.

If you need to create a Line Chart and Scatter Plot in Excel, read through this article. We have also explained which one is right for you.