Site index

Articles

This section contains an index of all the ARTICLES published to date:

Diagram pages

This section contains an index of all the DIAGRAMS LIBRARY pages:

1530 RGB Colours – Swatches

$0.00
View with full explanation

1530 RGB Colours – Values

$0.00
View with full explanation

256 RGB Colours – Red & Yellow – Grid

$0.00
View with full explanation

256 RGB Colours – Blue & Magenta – Grid

$0.00
View with full explanation

256 RGB Colours – Blue to Magenta

$0.00
View with full explanation

256 RGB Colours – Cyan & Blue – Grid

$0.00
View with full explanation

256 RGB Colours – Cyan to Blue

$0.00
View with full explanation

256 RGB Colours – Green & Cyan – Grid

$0.00
View with full explanation

256 RGB Colours – Green to Cyan

$0.00
View with full explanation

256 RGB Colours – Magenta & Red – Grid

$0.00
View with full explanation

256 RGB Colours – Magenta to Red

$0.00
View with full explanation

256 RGB Colours – Red to Yellow

$0.00
View with full explanation

256 RGB Colours – Yellow & Green – Grid

$0.00
View with full explanation

256 RGB Colours – Yellow to Green – Grid

$0.00
View with full explanation

A Rainbow is an Optical Phenomenon

$0.00
View with full explanation

Adding Colours Between RGB Primaries

$0.00
View with full explanation

Alexander’s Band

$0.00
View with full explanation

An Introduction to Rainbows

$0.00
View with full explanation

An Introduction to Vision

$0.00
View with full explanation

Angle of Deviation

$0.00
View with full explanation

Angle of Deviation in a Raindrop

$0.00
View with full explanation

Angles of Deflection & Deviation


Read More

Angles of Deviation – Table

$0.00
View with full explanation

Angular Distance & Raindrop Colour

$0.00
View with full explanation

Apparent Position of a Rainbow

$0.00
View with full explanation

Bands of Colour from Red to Violet

$0.00
View with full explanation

Blue Light on a Dark Surface

$0.00
View with full explanation

Calculating the Frequency of EM Waves

$0.00
View with full explanation

Changing Colour of a Falling Raindrop

$0.00
View with full explanation

Chromatic Dispersion in a Prism

$0.00
View with full explanation

Chromatic Dispersion of R, G & B Rays

$0.00
View with full explanation

Chromatic Dispersion of White Light

$0.00
View with full explanation

CMY Subtractive Colour Model

$0.00
View with full explanation

Colour blindness test

$0.00
View with full explanation

Colour Brightness & Angular Distance

$0.00
View with full explanation

Colour fatigue

$0.00
View with full explanation

Colour illusion

$0.00
View with full explanation

Colours Between RGB Primaries

$0.00
View with full explanation

Combining Red, Green & Blue Light

$0.00
View with full explanation

Combining Spectral Colours to Make White

$0.00
View with full explanation

Comparing Frequencies of Red & Violet

$0.00
View with full explanation

Comparing Wavelengths – Radio to Gamma

$0.00
View with full explanation

Comparing Wavelengths of Red & Violet

$0.00
View with full explanation

Continuous Colour from Red to Violet

$0.00
View with full explanation

Deflection & Dispersion in Raindrops

$0.00
View with full explanation

Digital Screens use the RGB Colour Model

$0.00
View with full explanation

Dispersion of White Light in a Raindrop

$0.00
View with full explanation

Electric & Magnetic Properties of Light

$0.00
View with full explanation

Electromagnetic Spectrum

$0.00
View with full explanation

Facts about Sunlight

$0.00
View with full explanation

Facts about the Sun

$0.00
View with full explanation

Facts about White Light

$0.00
View with full explanation

Features of Electromagnetic Waves

$0.00
View with full explanation

Frequency of Electromagnetic Waves

$0.00
View with full explanation

Green Light on a Dark Surface

$0.00
View with full explanation

Higher the Sun, Lower the Rainbow

$0.00
View with full explanation

How to See a Rainbow

$0.00
View with full explanation

How to Use Refractive Indices

$0.00
View with full explanation

HSB Additive Colour Model

$0.00
View with full explanation

HSB Colour Model – Hue & Brightness – grid

$0.00
View with full explanation

HSB Colour Model – Hue & Brightness – wheel

$0.00
View with full explanation

HSB Colour Model – Hue & Saturation – grid

$0.00
View with full explanation

HSB Colour Model – Hue & Saturation – wheel

$0.00
View with full explanation

HSB Colour Model – Hue, Saturation & Brightness

$0.00
View with full explanation

HSB Colour Model (discs)

$0.00
View with full explanation

HSB Colour Model (discs)

$0.00
View with full explanation

HSB Colour Model (wedges)

$0.00
View with full explanation

HSB Colour Model (wedges)

$0.00
View with full explanation

HSB Greyscale (discs)

$0.00
View with full explanation

HSB Greyscale (discs)

$0.00
View with full explanation

HSB Greyscale (wedges)

$0.00
View with full explanation

HSB Greyscale (wedges)

$0.00
View with full explanation

Hue & Greyscale

$0.00
View with full explanation

Human Eye in Cross Section

$0.00
View with full explanation

Human Eye in Cross Section

$0.00
View with full explanation

Human Eye, Eyeball & Retina

$0.00
View with full explanation

Long Waves to Short Waves

$0.00
View with full explanation

Lower the Sun, Higher the Rainbow

$0.00
View with full explanation

Minimum Angle of Deviation

$0.00
View with full explanation

Mixing Primary Colours in Different Proportions

$0.00
View with full explanation

More

Definitions

This section contains an index of all DEFINITIONS in the DICTIONARY:

More

Summaries

This section contains an index of all SUMMARIES in the DICTIONARY:

Questions & answers

This section contains an index of all the Q&A entries in the DICTIONARY:

Are crown glass and diamonds fast media?

Are dispersion and diffusion the same thing?

Are rainbow colours spectral colours?

Are red, green and blue used to produce secondary colours when using the RGB and HSB colour models?

Are RGB and HSB both additive colour models?

Are the colours in primary and secondary rainbows always in reverse order?

Are the colours of a secondary rainbow in reverse order compared with a primary rainbow?

Are the colours ROYGBV produced by different wavelengths of light?

Are the rainbow colours ROYGBV analogous colours?

Are the Sun, observer and anti-solar point all on the rainbow axis?

As frequency increases does wavelength decrease in length?

Can a rainbow be seen at any time of the day?

Can a rainbow form a circle?

Can a rainbow form a complete circle if seen from a plane?

Can all the colours in a colour wheel be produced by mixing pairs of primary colours in different proportions?

Can an observer see both spectral and CMY colours at the same time?

Can light travel through a vacuum?

Can orange, yellow and violet be produced by combining pairs of the spectral colours red, green and blue?

Can spectral colours be arranged in a band with red at one end and violet at the other?

Can the spectral colours red, green and blue be produced by combining other wavelengths of light?

Can the wavelength of an electromagnetic wave be measured?

Can you always see a rainbow at midday?

Can you name five units of measurement for frequency?

Can you see an atmospheric rainbow at mid-day?

Do all light waves propagate through a vacuum in a straight line?

Do all RGB colour wheels include secondary colours?

Do all RGB colour wheels include tertiary colours?

Do all RGB colour wheels start with primary colours?

Do artists paints produce dark brown when the primary colours red, yellow and blue are mixed together?

Do cyan, magenta and yellow printing inks produce dark brown when mixed together in equal amounts?

Do gamma rays have a shorter wavelength than visible light?

Do mixtures of RGB primary colours produce spectral colours?

Do photons have wavelength and frequency?

Do primary and secondary rainbows have different centre points?

Do radio waves or gamma rays transport more energy?

Do rainbows produce a continuous spectrum of colours between red and violet?

Do shorter waves have a higher frequencies?

Do the coloured arcs of a rainbow always appear at the same angle from the point of view of an observer.

Do the human eye and brain together translate light into colour.

Do the terms radiation and radiant energy refer to to same thing?

Does a computer screen use the RGB or the CMY colour model?

Does a ray of light undergo total internal reflection if it strikes the boundary between water and air above a critical angle?

Does a wave with a low frequency have a long wavelength?

Does an electromagnetic field have a component electric and magnetic field?

Does chromatic dispersion take place as white light travels from air into a raindrop?

Does chromatic dispersion take place as white light travels from air into glass?

Does each wavelength of visible light correspond with a unique spectral colour?

Does energy increase with frequency?

Does light bend towards the normal as it crosses the boundary between air and a raindrop?

Does light bend towards the normal as it crosses the boundary between air and glass or water?

Does light travel faster in air than in glass or water?

Does light travel faster in air than in raindrops?

Does light undergo chromatic dispersion as it enters a raindrop?

Does light undergo refraction as it enters glass?

Does light undergo refraction as it travels across the boundary between one transparent medium into another?

Does the amplitude of an electromagnetic wave correspond directly with energy it carries?

Does the brightness of the bands of colour in a primary rainbow drop off sharply on the outside of each arc?

Does the colour of a ray of light change as it travels through different transparent media?

Does the optic nerve transmit visual information towards the brain?

Does the response of cone cells in the human eye correspond directly with the RGB colour model?

Does the retina in the human eye include a light sensitive layer of neurons?

Does the size of raindrops affect the colour of a rainbow?

Does the speed at which light travels change as it propagates through different transparent media?

Does the Sun emit electromagnetic radiation?

Does the Sun produce light containing all the wavelengths of the visible spectrum?

Does the visible spectrum contain all the wavelengths of the electromagnetic spectrum?

Does the wavelength of light change as it travels through different media?

Give an example of a medium through which light travels more quickly?

How are rainbows formed?

How do sunlight and raindrops produce a primary rainbow?

How do sunlight and raindrops produce secondary rainbows?

How do the refractive indices of different media affect the direction in which light travels?

How does the angle of deviation of rays of sunlight affect the appearance of rainbows?

How does the minimum angle of deviation of light passing through a raindrop affect the appearance of rainbows?

How does the Sun produce energy?

How fast does sunlight travel through a vacuum?

How is amplitude shown on a drawing of an electromagnetic wave?

How is chromatic dispersion related to refraction?

How is frequency affacted as light travel from air into glass?

How is frequency affacted as light travel from air into raindrops?

More

Images

This section contains an index of all the IMAGES that appear on DIAGRAMS PAGES:

00100-0-A-BL-EN-Facts about the Sun

00100-0-A-BL-EN-Facts about the Sun-80

00200-0-A-BL-EN-Facts about Sunlight

00200-0-A-BL-EN-Facts about Sunlight-80

00300-0-A-BL-EN-Facts about White Light

00300-0-A-BL-EN-Facts about White Light-80

00400-0-A-BL-EN-Visible Spectrum

00400-0-A-BL-EN-Visible Spectrum-80

00500-0-A-BL-EN-Wavelengths from Red to Violet

00500-0-A-BL-EN-Wavelengths from Red to Violet

00600-0-A-BL-EN-Bands of Colour from Red to Violet

00600-0-A-BL-EN-Bands of Colour from Red to Violet-80

00700-0-A-BL-EN-Wavelengths Between Red & Violet

00700-0-A-BL-EN-Wavelengths Between Red & Violet-80

00800-0-A-BL-EN-Continuous Colour from Red to Violet

00800-0-A-BL-EN-Continuous-Colour-from-Red-to-Violet-80

00810-0-A-W-EN-Continuous Colour from Red to Violet

00900-0-A-BL-EN-Long Waves to Short Waves

00900-0-A-BL-EN-Long Waves to Short Waves-80

00950-0-A-BL-EN-Wavelength & the EM Spectrum

00950-0-A-BL-EN-Wavelength & the EM Spectrum-80

01000-0-A-BL-EN-Features of Electromagnetic Waves

01000-0-A-BL-EN-Features of Electromagnetic Waves-80

01100-0-A-BL-EN-Electric & Magnetic Properties of Light

01100-0-A-BL-EN-Electric & Magnetic Properties of Light

01200-0-A-BL-EN-Comparing Wavelengths – Radio to Gamma

01200-0-A-BL-EN-Comparing Wavelengths – Radio to Gamma

01300-0-A-BL-EN-Comparing Wavelengths of Red & Violet

01300-0-A-BL-EN-Comparing Wavelengths of Red & Violet-80

01400-0-A-BL-EN-Frequency of Electromagnetic Waves

01400-0-A-BL-EN-Frequency of Electromagnetic Waves-80

01500-0-A-BL-EN-Comparing Frequencies of Red & Violet

01500-0-A-BL-EN-Comparing Frequencies of Red and Violet-80

01600-0-A-BL-EN-Electromagnetic Spectrum

01600-0-A-BL-EN-Electromagnetic Spectrum-80

01630-0-A-BL-EN-Wavelength Frequency & Energy Compared

01630-0-A-BL-EN-Wavelength Frequency & Energy Compared-80

01640-0-A-BL-EN-Calculating the Frequency of EM Waves

01640-0-A-BL-EN-Calculating the Frequency of EM Waves-80

01660-0-A-BL-EN-Wavelength & Speed of Light

01660-0-A-BL-EN-Wavelength & Speed of Light-80

01700-0-A-BL-EN-Why an Object Appears White

01700-0-A-BL-EN-Why an Object Appears White-80

01800-0-A-BL-EN-Why an Object Appears Red

01800-0-A-BL-EN-Why an Object Appears Red-80

01900-0-A-BL-EN-Why an Object Appears Orange

01900-0-A-BL-EN-Why an Object Appears Orange-80

01950-0-A-BL-EN-Why an Object Appears Yellow

01950-0-A-BL-EN-Why an Object Appears Yellow-80

02000-0-A-BL-EN-Why an Object Appears Green

02000-0-A-BL-EN-Why an Object Appears Green-80

02100-0-A-BL-EN-Why an Object Appears Blue

02100-0-A-BL-EN-Why an Object Appears Blue-80

02200-0-A-BL-EN-Why an Object Appears Violet

02200-0-A-BL-EN-Why an Object Appears Violet-80

02400-0-A-BL-EN-Why an Object Appears Cyan

02400-0-A-BL-EN-Why an Object Appears Cyan-80

02500-0-A-BL-EN-Why an Object Appears Magenta

02500-0-A-BL-EN-Why an Object Appears Magenta-80

02600-0-A-BL-EN-Why an Object Appears Transparent

02600-0-A-BL-EN-Why an Object Appears Transparent-80

03000-0-A-BL-EN-Combining Spectral Colours to Make White

03000-0-A-BL-EN-Combining Spectral Colours to Make White-80

03050-0-A-BL-EN-Using the RGB Colour Model

03050-0-A-BL-EN-Using the RGB Colour Model-80

03100-0-A-BL-EN-Combining Red, Green & Blue Light

03100-0-A-BL-EN-Combining Red, Green and Blue Light-80

03200-0-A-BL-EN-Spectral Colour & the RGB Colour Model

03200-0-A-BL-EN-Spectral Colour and the RGB Colour Model-80

03300-0-A-BL-EN-Spectral Colours & RGB Colours

03300-0-A-BL-EN-Spectral Colours & RGB Colours-80

03400-0-A-BL-EN-The Human Eye & RGB Colour

03400-0-A-BL-EN-The-Human-Eye-and-RGB-Colour-80

03500-0-A-BL-EN-Red Light on a Dark Surface

03500-0-A-BL-EN-Red Light on a Dark Surface-80

03510-0-A-BL-EN-Green Light on a Dark Surface

03510-0-A-BL-EN-Green Light on a Dark Surface-80

03520-0-A-BL-EN-Blue Light on a Dark Surface

03520-0-A-BL-EN-Blue Light on a Dark Surface-80

03530-0-A-BL-EN-R, G & B Lights on a Dark Surface

More