Explore: Light


Light-related diagrams

Each diagram can be viewed on its own page with a full explanation.

Facts about the Sun
Facts about Sunlight
Facts about White Light
The Visible Spectrum
Wavelengths from Red to Violet
Bands of Colour from Red to Violet
Wavelengths Between Red and Violet
Continuous Colour from Red to Violet
Long Waves to Short Waves
Wavelength and the Electromagnetic Spectrum
Features of Electromagnetic Waves
Electric and Magnetic Properties of Light
Comparing Wavelengths: Radio to Gamma
Comparing Wavelengths of Red and Violet
Frequency of Electromagnetic Waves
Comparing Frequencies of Red and Violet
Electromagnetic spectrum
Wavelength, Frequency and Energy Compared
Calculating the Frequency of Electromagnetic Waves
Wavelength and Speed of Light in Different Materials
Combining Different Wavelengths of Light to make White
Reflection of a Ray of White Light
Refraction-of-a-Ray-of-White-Light-Towards-the-Normal-80 / 06900-0-A-BL-EN
Refraction of a Ray of White Light Away from the Normal
Refraction of Light Towards the Normal
Refraction of Light Away from the Normal
Reflection and Refraction of a Ray of White Light
Reflection and Refraction at a Curved Boundary
Reflection and Refraction Parallel to the Normal
Reflection and Refraction Parallel to the Normal at a Curved Boundary
Refraction of a Ray of Red Light in Detail
Chromatic Dispersion of a Ray of White Light
Chromatic Dispersion of Red Green and Blue Wavelengths
Refraction and Dispersion of a Ray of White Light
Refraction and Dispersion of Wavelengths of Light
Refractive Index Explained
How to Use the Refractive Index of a Medium
The Law of Refraction Explained
Prism Splits a Ray of Light into Spectral Colours 06700-0-A-BL-EN
Sunlight-reflects-off-a-Fish-in-Water-80 / 07050-0-A-BL-EN
Refraction-Reflection-and-Total-Internal-Reflection-80 / 07100-0-A-BL-EN
Actual and Observed Position of an Object in Water

All images are free to download

Download slides


Most images on this website are available for download as either slides or illustrations.

Slides share common specifications:

  • Titles: Slides have titles.
  • Backgrounds: Black.
  • Size: 1686 x 1124 pixels (3:2 aspect ratio).
  • Slides are available in two file formats: JPG, AI (Adobe Illustrator).

Slides are optimized for viewing on-screen or with a projector.
Illustrations are optimized for printing on A4 pages in portrait format.

Download illustrations


Most images on this website are available for download as either slides or illustrations.

Illustrations share common specifications:

  • Titles: No titles.
  • Backgrounds: White.
  • Size: 1686 pixels wide. So all illustrations reproduce at the same scale when inserted into Word documents etc.
  • Labels: Calibri 24pt Italic.
  • Illustrations are available in two file formats: JPG, AI (Adobe Illustrator).

Illustrations are optimized for printing on A4 pages in portrait format.
Slides are optimized for viewing on-screen or using a projector.

File types: JPG


Download the image at the top of this page as a JPG file:

  • All JPG images available for download are 1686px wide.
  • Text on JPG images with white backgrounds is styled as Calibri 24pt Italic.
  • If the image you need is not exactly right, download it as an AI (Adobe Illustrator) file and edit it.
  • All the images on these Resource Pages were created in Adobe Illustrator and are vector drawings.

Did you know:

  • JPG stands for Joint Photographic Experts Group who created the standard.
  • The JPG file extension is used interchangeably with JPEG.
  • JPG files can be compressed for use on websites.
  • JPG files can be placed or pasted directly into MS Office documents.

File types: AI


Download the image at the top of this page as an AI (Adobe Illustrator) file:

  • All AI images available for download from lightcolourvision.org are 1686px wide.
  • All the images on these Resource Pages were created in Adobe Illustrator and are vector drawings.
  • Vector drawing can be scaled up or down without any loss of quality.

Did you know:

  • AI files downloaded from lightcolourvision.org can be re-edited using Adobe Illustrator for your own personal use.
  • Adobe Illustrator can save or export AI files to other formats including PDF (.pdf), PNG (.png), JPG (.jpeg) and SVG(.svg) etc.

Download agreement

Download Agreement


Before downloading or cutting and pasting from lightcolourvision.org we ask you to agree to the following terms:

  1. All information, images and other assets displayed or made available for download on the lightcolourvision.org website are copyright. This means there are limitations on how they can be used.
  2. All information, images and other assets displayed or made available for download are solely and exclusively to be used for personal, educational and non-profit purposes.
  3. When you find the resources you need, then part of the download process involves you (the user) ticking a box to let us (at lightcolourvision.org) know we both agree how the material can be used.
  4. Please contact [email protected] before considering any use not covered by the terms of the agreement above.

If you are a student, educator or researcher you might also like to read our posts Copyright: Credit where credit’s due and Citation and bibliographies before copying and pasting material into essays, assignments or other academic work. They include advice on avoiding plagiarism and how to credit other people’s words, images and assets before submitting your work for marking or assessment. If you are confused, just ask a friendly teacher, librarian, or other member of academic staff.


Like to know more?

Please contact [email protected] if you have questions about any aspect of this project.