The Resultant Amplitude of Two Superposed Waves


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question 1 of 3

When two waves are interfering with each other how do they interact?

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1. Using the following graph, find the resultant amplitude of the purple wave that is created by the red and green waves interfering with each other.

2. Using the following graph, what is the displacement of the green wave at the location where the purple wave's resultant amplitude can be found?

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About This Quiz & Worksheet

There are many different types of waves, and this quiz determines your knowledge about the amplitude of superposed waves. Some of the questions on the quiz will ask you about waves in reference to sample graphs, but other questions will ask you to identify true statements about waves and their properties.

Quiz & Worksheet Goals

With these assessment tools, you can gauge your familiarity with the following:

  • Interactions between two interfering waves
  • Resultant amplitude
  • Displacement
  • Constructively interfering waves
  • Destructively interfering waves

Skills Practiced

This quiz and worksheet can help you improve the following skills:

  • Defining key concepts - ensure that you can accurately define main phrases, such as displacement and resultant amplitude
  • Distinguishing differences - compare and contrast topics from the lesson, such as destructively interfering waves and constructively interfering waves
  • Knowledge application - use your knowledge to answer questions about how two interfering waves interact

Additional Learning

Build further knowledge about this topic by reading through the connected lesson, The Resultant Amplitude of Two Superposed Waves. This lesson offers answers to the quiz questions, but it also discusses the following:

  • The principle of superposition
  • Descriptions of amplitude and wave interference
  • Examples of displacement vs. time graphs