Font size
Worksheets8.7 ADDITION AND SUBTRACTION OF LIGHT
Total questions: 22
Worksheet time: 11mins
Only allow the light of the same colour to pass through, light of other colours are absorbed.
Primary colour filters
Secondary colour filters
The colors orange, violet, and indigo belong to which of the following groups?
The visible light spectrum
Primary colors of light
Secondary colors of light
None of the above
Which of the following is NOT a primary color of light?
Red
Blue
Yellow
Green
White light is shined through a magenta filter. Which of the following will be BLOCKED by the filter? (choose all that apply)
Red
Blue
Green
Magenta
A white light is shined through a cyan filter, and then a magenta filter. What color will appear?
blue
green
red
black
A white light is shined through a cyan filter, and then a yellow filter. What color will appear?
blue
green
red
black
Which of the following filters could be used together to block out all light?
Blue
Magenta
Red
A white light shined through a red filter is shined toward a blank space. If a green light is also shined on that space, what color will result?
yellow
magenta
cyan
red
green
Which two filters could be combined to make a white light appear red?
blue
cyan
magenta
yellow
green
How does light behave when hitting this shirt?
Yellow is absorbed; all other colors are reflected.
Yellow is reflected; all other colors are absorbed.
All colors are absorbed, but yellow is refracted.
Yellow is scattered and all other colors are absorbed.
How will this object appear when looking at it through a blue filter?
Blue
Green
Black
Orange
Which color(s) does this filter transmit?
No colors are transmitted.
All colors but green
Only green
Which color will transmit through the filter?
Red only
Blue and Violet
Green
All colors
Which of these colours of light has the longest wavelength?
green
blue
red
yellow
Magenta light is a mix of which two colours?
red
green
blue
What colours is white light made from?
Orange, Green, Pink, Magenta, Peach, Rose, Lemon
Red, Orange Yellow, Green, Black, Indigo, Violet
Red, Orange, Yellow, Green, Blue, Indigo, Violet
Red, Orange, Yellow, Grey, Blue, Indigo, Violet
Which pair of colours do NOT combine to make the correct secondary colours?
Red + Blue = Magenta
Red + Green = Yellow
Blue + Green = Cyan
Red + Yellow = Green
Why does this the t-shirt appear red and the shorts appear blue? Choose the correct statements.
The t-shirt reflects red light.
The t-shirt reflects blue light
The shorts absorb yellow light
The shorts reflect blue light
Other colours are absorbed
Which image correctly shows how a magenta and a yellow filter produce coloured light?
A
B
Why do a magenta filter and a yellow filter produce two coloured light?
They allow only one wavelength (colour) of light to pass through.
They allow primary colours of light to pass through.
The filters separate the primary colours which make up the secondary colours (magenta & yellow).
In the additive colour mixing, select the secondary colours.
Yellow
White
Magenta
Cyan
Which colour combinations produce yellow?
Red and Cyan
Cyan and Magenta
Red and Blue
Red and Green
