What Is Frequency? - Definition, Spectrum & Theory


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How is frequency defined?

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1. For a light wave, how does our brain interpret a higher frequency wave?

2. For a sound wave, how does our brain interpret a lower frequency wave?

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About This Quiz & Worksheet

Frequency is an integral component of electromagnetic study, and this quiz/worksheet will help you test your understanding of its definition and characteristics.

Quiz & Worksheet Goals

In these assessments you'll be tested on the traits and definitions of:

  • Frequency
  • Light waves
  • Sound waves
  • Energy in light

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Defining key concepts - ensure that you can accurately define frequency
  • Distinguishing differences - compare and contrast our brain's interpretations of light waves and sound waves
  • Problem solving - use acquired knowledge to solve a practice problem involving frequency
  • Information recall - access the knowledge you've gained regarding energy in light

Additional Learning

To learn more about frequency, review the accompanying lesson, What is Frequency? - Definition, Spectrum and Theory. This lesson covers the following objectives:

  • Understand what constitutes a wave in electromagnetics
  • Define wave frequency
  • Understand why light is an electromagnetic wave
  • Know how the color of light is determined
  • Describe sound waves
  • Know the equation to calculate the amount of energy contained in light