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What is a Photon? - Definition, Energy & Wavelength

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Select the correct statement using the fact that red light has a frequency of about 430 trillion Hz and blue light has a frequency of about 630 trillion Hz.

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1. In the photoelectric effect, increasing the frequency of the light being used will do what to the electrons that are ejected?

2. In the equation for the energy for a photon, E = hf, the h stands for:

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About This Quiz & Worksheet

A photon is the quantum of electromagnetic radiation, and this quiz/worksheet combo will help you test your understanding of the concept. You'll be assessed on your ability to solve practice energy equations.

Quiz & Worksheet Goals

In these assessments you'll be tested on your understanding of:

  • Behavior of energy
  • The photoelectric effect
  • Important equations

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the related science lesson
  • Problem solving - use acquired knowledge to solve energy practice problems
  • Information recall - access the knowledge you've gained regarding photons
  • Knowledge application - use your knowledge to answer questions about energy and wavelength

Additional Learning

To learn more about electromagnetic radiation, review the accompanying lesson called What is a Photon? - Definition, Energy & Wavelength. This lesson covers the following objectives:

  • Understand quantum theory and quantum mechanics
  • Describe electromagnetic waves
  • Explain Planck's constant
  • Explore the electromagnetic spectrum
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