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CogniGuide

Light Concept Map for Physics Students

See how light behaves, from reflection and refraction to the spectrum. Then let AI build a map from your own notes, PDF or slides.

No credit card required

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CogniGuide at a glance

What you get
Interactive mind maps of the main ideas and how they connect. Free: overview maps (detailed maps on your first 3 creations). Plus: detailed maps with supporting concepts.
Exports
Your first PDF or PNG export is free; Plus exports anytime.
Price
Free plan: 5 creations a week, up to 3 a day. Plus: $9.99/month or $99.90/year (USD; local prices at checkout).
Sign-up
A free account is required before you create anything (Google or email). No credit card.
What you can upload
PDF, Word (.docx), PowerPoint (.pptx), plain text or Markdown, and images (PNG, JPG, WebP, GIF), or type a topic. One file per creation on the free plan; several at once on Plus.

How it compares: vs Knowt · vs Quizlet · vs NotebookLM · vs Mapify

Build a Light Map From Your Own Notes

Start from your textbook chapter or lecture slides, then expand each idea as you study.

Built From Your Material

Upload a PDF, Word or PowerPoint file about light and get a map of its key ideas.

Branches for Each Behavior

Reflection, refraction, dispersion and the spectrum each get their own expandable branch.

Quiz and Flashcards

Turn the finished map into a quiz, or make flashcards from the same notes to test recall.

How to Make a Light Concept Map

Three steps take you from a chapter on light to a map you can study and quiz yourself with.

  1. 1

    Add Your Notes

    Upload your light notes or slides, or simply type the topic Light.

  2. 2

    AI Builds the Map

    The AI sorts light into branches such as behavior, models and the spectrum.

  3. 3

    Study, Expand and Quiz

    Expand weak branches, edit wording, export a PDF, or turn the map into a quiz.

Light Concept Map: Key Ideas Explained

A concept map of light organizes how light travels, interacts with matter and behaves as both a wave and a particle. Most courses split the topic into the ray model, the wave model and the electromagnetic spectrum, then link them with the behaviors they explain, such as reflection, refraction and diffraction.

  • Ray model: light travels in straight lines and forms shadows
  • Reflection: light bounces off surfaces, with angle of incidence equal to reflection
  • Refraction: light bends when it passes between media of different speed
  • Electromagnetic spectrum: radio, visible, ultraviolet, X-ray and gamma ray

Use the map to revise each behavior and check how the branches connect. To build a version from your own textbook or lecture notes, try CogniGuide.

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Light Concept Map Questions

Answers on the main ideas of light, and how to build your own map.

What are the main topics in light for physics?

Most courses cover the ray model, reflection, refraction, dispersion, the electromagnetic spectrum, and the wave and particle models. Each topic links to the others through how light interacts with matter.

What is the difference between reflection and refraction?

Reflection is light bouncing off a surface and staying in the same medium. Refraction is light changing direction as it passes into a medium where its speed changes, such as from air into water.

Which files can I use to make a light map?

You can upload PDF, Word (DOCX), PowerPoint (PPTX), text or Markdown files, or images of your notes. You can also type the topic directly.

Can I turn my light concept map into a quiz?

Yes. CogniGuide can turn a finished map into a quiz to test yourself, and it can make flashcards from the same notes. The free plan allows 5 creations a week.