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15 questions
The visible spectrum is
Colours which make up white light (ROYGBIV)
The amount of refraction that occurs when colour passes through a prism
The splitting up of white light through a prism
Also called a rainbow
This is _______________. The splitting up of white light into the colours of the spectrum
Refraction
ROYGBIV
Visible spectrum
Dispersion
This rainbow formed because
Only the droplets highest in the sky refracted all colours to our eyes
Sunlight was internally reflected from inside the droplets back to your eyes
The visible spectrum was dispersed with the sun in front of the rainbow
Only the droplets lowest in the sky refracted all colours to our eyes
The primary colours of light are
Red, blue, green
Blue, indigo, violet
Red, magenta, green
Magenta, cyan, yellow
The secondary colours of light are
Red, blue, green
Blue, indigo, violet
Red, magenta, green
Magenta, cyan, yellow
When only 2 primary colours overlap, you get a _________________
Visible specturm
Secondary colour
Absorbed colour
Refracted colour
We can see this calculator as white because it contains no pigments and
Reflects all colours
Reflects no colours
Absorbs all colours
Absorbs no colours
These shoes appear black because they contain a mixture of pigments which
Reflects all colours of the spectrum
Reflects no colours of the spectrum
Absorbs all colours of the spectrum
Absorbs no colours of the spectrum
Our eyes ____________ colours we don't want to see and ____________ colours we want to see
Absorb, refract
Absorb, reflect
Reflect, absorb
Refract, absorb
Why does this flower appear magenta to our eyes?
Only red and blue light are absorbed into our eye
Because all colours of the visible spectrum are absorbed
Because that's what colour the flower is
Only red and blue light are reflected into our eye
Which of the following is correct?
Blue + Maroon = Magenta
Green + Blue = Cyan
Red + Blue = Green
Yellow + Cyan = Green
Which colour light is being reflected?
Magenta
Red + Blue
Orange
All colours except for orange
This piggy bank appears as the colour it is because....
Blue and green light is being absorbed into your eyes
Blue and yellow light is being absorbed into your eyes
Blue light is being reflected into your eyes
Blue and green light is being reflected into your eyes
A 'pigment' is
How dark a colour appears
A term used to describe the absorption of light
Chemical that can only reflect certain colours
When two primary colours of light overlap to form a secondary colour of light
Which colour of light is reflected from this broccoli?
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