A plane wave encounters unknown potential(s)

Start Animation 1 Start Animation 2 Start Animation 3 Start Animation 4 Start Animation 5 Start Animation 6

check the box, then click the Start Animation X  button to see the barriers/wells.

Description

This question refers to the above animations.  Drag the slider to change the energy of the incident particle and have the table fill with values.
Questions
1.  Watch all 6 Animations.  Describe each of the potential(s) that the incident plane wave is experiencing.

 

Answers

  1. Step up located  at x = 10.
  2. Step down located at x = 10.
  3. A barrier located at x = 6.6 through 13.3.
  4. A well located at x = 6.6 through 13.3.
  5. A pair of wells located at x = 4 through 8 and at x = 12 through 16.
  6. A pair of barriers located at x = 4 through 8 and at x = 12 through 16.

Features of this Script

 Use of the methods

document.reflection.setRGB(id1,255,255,255);

to make the "films" or barriers invisible.

Required Resources

Jar files: DataTable4_.jar, Reflection4_.jar, STools4.jar

Credits

Script by Mario Belloni and Wolfgang Christian.
Questions by Mario Belloni and Wolfgang Christian.
Java applets by Wolfgang Christian.