The Wave Function - Part 2
Maximum and Minimum values
Since k is the amplitude, this will give you the maximum
and minimum value of the expression.
Example
Example
Now substitute this into the equation.
Example
so,
Sketching wave functions
When sketching a wave function ,
Remember to include the Key points: -
Remember to include the Key points: -
- Maximum ( take from amplitude)
- Minimum ( take from amplitude)
- Cuts y – axis when x = 0 ( evaluate with x = 0)
- Cuts x-axis when y= 0 ( set function = 0 )
Example
Sketch of graph from question above.
Equations
Use the wave function to solve equations.
Example
Example
This has found the wave function, now solve the equation
Now solve
© Alexander Forrest