- For the potential steps question, a large number of students
think that a downward potential step has less/no reflection.
- Exam (S98):
- In interview, 4/6 of the students
- "No reflection because total energy is greater than
- "There is a reflection in A only because I know the
- "...B is greater because it is like running into a wall...
case A is like a ball going down... and speed up.î