IB Physics SL C.2.1 Wave Energy Transfer

Practise explaining how a travelling wave transfers energy through local oscillations without net transport of matter and relating intensity changes to amplitude or distance.

Syllabus
First assessment 2025
Objective
—
Level
SL

Exam points

  • distinguish energy propagation from the oscillatory motion of medium particles about equilibrium
  • explain zero net matter transfer because particles return to their mean positions after each cycle
  • use intensity proportional to amplitude squared when comparing otherwise identical waves

C.2.1—Wave energy transfer question 1

[Maximum number: 2]

Outline what is meant by a travelling wave.

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