4.6.1.3 Reflection of waves

Spec reference: 4.6.1.3 (physics only).

Triple-only content in this dot

• Reflection/transmission/absorption at boundaries.
• Construct and interpret reflection ray diagrams.

Exam quick-check

• Can I identify this as a triple-only point from wording in the question?
• Can I apply the correct equation/idea with units and a clear conclusion?