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Light: Colours

Total questions: 50

Worksheet time: 29mins

Name
Class
Date
1.
What colours is white light made from?
a)
Orange, Green, Pink, Magenta, Peach, Rose, Lemon
b)
Red, Orange Yellow, Green, Black, Indigo, Violet
c)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
d)
Red, Orange, Yellow, Grey, Blue, Indigo, Violet
2.
Which pair of colours do NOT combine to make the correct secondary colours?
a)
Red + Blue = Magenta
b)
Red + Green = Yellow
c)
Blue + Green = Cyan
d)
Red + Green = Yellow
3.
Which image correctly shows how light would interact with the t-shirt and shorts?
a)
A
b)
B
c)
C
d)
D
4.
Why does this the t-shirt appear red and the shorts appear blue?
a)
The t-shirt reflects red light, the shorts reflect green light, other colours are absorbed.
b)
The t-shirt reflects blue light, the shorts reflect red light, other colours are absorbed.
c)
The t-shirt reflects red light, the shorts absorb yellow light, all other colours are reflected
d)
The t-shirt reflects red light, the shorts reflect blue light, other colours are absorbed.
5.
Which image correctly shows how a blue filter and a green filter produce coloured light?
a)
A
b)
B
6.
What is the correct reason why a blue filter and a green filter produce coloured light?
a)
The blue filter allows blue light to pass through, the green filter allows green light to pass through, others colours are absorbed. 
b)
The blue filter reflects blue light, the green filter reflects green light
, other colours are absorbed. 
7.
Which image correctly shows how a magenta filter and a yellow filter produce coloured light?
a)
A
b)
B
8.
What are the correct reasons why a magenta filter and a yellow filter produce coloured light?
a)
Magenta and yellow filters allow only one wavelength (colour) of light to pass through.
b)
Magenta and yellow filters allow primary colours of light to pass through. These colours mix to make yellow and magenta.
9.
In the image on the left we see the clothes of a boy under white light. How would the boys clothes look under green light
a)
A
b)
B
10.
In the image on the left we see the clothes of a boy under white light. How would the boys clothes look under red light
a)
A
b)
B
11.
What are the three primary colours of light?
a)
Red,Yellow,Blue
b)
Red,Green,Yellow
c)
Red,Green,Blue
d)
Yellow,Blue,Green
12.
Primary colors of light can combine to make
a)
black light
b)
white light
c)
primary pigments
d)
ultraviolet light
13.
How do you make a secondary color?
a)
Mixing primary colors together
b)
Mixing secondary colors together
c)
Mixing primary and secondary colors together
d)
Mixing the complementary colors together
14.
Which color has the highest frequency?
a)
Blue
b)
Green
c)
Red
d)
Orange
15.
An object appears red because it
a)
reflects light waves of all colors
b)
reflects light waves of red
c)
absorbs light waves of red
d)
transmits light waves of all colors
16.
What are the actual colors of the rainbow?
a)
ROYGVIB
b)
ROYGBV
c)
ROYGBIV
d)
ROYGCB
17.
Which color has the longest wavelength?
a)
Blue
b)
Green
c)
Red
d)
Yellow
18.
The color that we perceive an object has depends on the 
a)
The light that is reflected by the object.
b)
The light that is absorbed by the object.
c)
The light that is transmitted by the object.
d)
The light that is created by the object.
19.
Which is true of a green grape?
a)
It absorbs green light.
b)
It absorbs white light.
c)
It reflects green light.
d)
It reflects white light.
20.
Why is the sky blue?
a)
because the atmosphere absorbs blue light and reflects the other colors
b)
because nitrogen and oxygen molecules scatter blue light more than the other colors
c)
because the ocean reflects its blue color to the sky
d)
because nitrogen and oxygen molecules scatter red and oranges away during the sunrise leaving blue for the day time
21.
According to Willebord Snell, light passing from air to glass will cause the light to
a)
maintain its original speed 
b)
accelerate while it is in glass
c)
increase its speed
d)
reduce its speed
22.
The velocity of light in vacuum is _______ ms(-1)
a)
3x108
b)
3x1012
c)
3x106
d)
3x1010
23.
Which is the angle of refraction?
a)
Angle 1
b)
Angle 2
24.

What is white light?

a)

The type of light that is found in x-rays

b)

The type of light given off by the sun and light bulbs

c)

The type of light that is used in microwave ovens

d)

The type of light that makes up radio waves

25.

What can you use to see all the different colors in white light?

a)

A flashlight

b)

A shadow

c)

A camera

d)

A prism

26.

Light


What is pigment?

a)

The entire range of light, including visible and invisible light

b)

A special chemical that absorbs some colors and reflects others

c)

The tool you need to see the spectrum of colors in white light

d)

The shadow that is formed on a wall when light is blocked

27.

What color is an object that absorbs all the colors in the light spectrum?

a)

A rainbow

b)

White

c)

Black

d)

Invisible

28.

A leaf is green. What does this tell you about the light that is being absorbed?

a)

The light is a UV ray.

b)

The light is not a part of the light spectrum.

c)

All colors are reflected except green.

d)

All colors are absorbed except green

29.

What happens when light hits a shiny or smooth surface?

a)

It disappears.

b)

It is refracted.

c)

It is absorbed.

d)

It is reflected.

30.
What colours is white light made from?
a)
Orange, Green, Pink, Magenta, Peach, Rose, Lemon
b)
Red, Orange Yellow, Green, Black, Indigo, Violet
c)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
d)
Red, Orange, Yellow, Grey, Blue, Indigo, Violet
31.
Red objects appear 'red' because:
a)
red objects are made from red materials
b)
red objects absorb red light
c)
red objects absorb all other colour except red light
d)
red objects don't reflect any light
32.

Which colour of light has the most energy?

a)

Blue

b)

Green

c)

Red

d)

Yellow

33.
Complementary colors are two colors that 
a)
are next to each other on the color chart.
b)
produce white light when added together.
c)
look good together.
d)
are primary colors.
34.
If you are using a green color filter, what color will you only see?
a)
blue
b)
green
c)
white
d)
red
35.
How is a rainbow formed?
a)
A poptart cat flies across the sky
b)
A leprechaun places a pot of gold at the bottom of a pond
c)
Light refracts off the water droplets to create a rainbow of color
d)
Rainbows are a myth
36.
Which color reflects all light?
a)
White
b)
Black
c)
Orange 
d)
Green
37.
Which color absorbs all light?
a)
White
b)
Black
c)
Orange
d)
Green
38.

All the colours in the visible light spectrum mixed together form:

a)

White light

b)

Black light

c)

Brown light

d)

Clear light

39.

The acronym we use to remember all the colours in the visible light spectrum is:

a)

ROY B GIV

b)

ROB G BIV

c)

ROY G BIV

d)

ROY G BPP

40.

Which part of the spectrum of light can humans see?

a)

Radio waves

b)

Micro waves

c)

Visible Light

d)

X rays

41.

When we see grass, which colour is being reflected back into our eye?

a)

Orange

b)

Blue

c)

Red

d)

Green

42.

What object is used to split white light into the colours of the rainbow?

a)

A prism

b)

A pyramid

c)

A triangle

d)

Glass

43.

A transparent object that bends light into rainbow colors.

a)

prism

b)

mirror

c)

convex lens

d)

concave lens

44.
What three things may happen to light that strikes an object? 
a)
The light may be reflected, transmitted or absorbed.
b)
The light may be reflected and refracted.
c)
The light may be absorbed and transmitted.
45.
What are the primary colors of the pigment?
a)
cyan, yellow and magenta
b)
Red, green and blue
c)
black and white
46.
An actorś red shirt and blue pants both appear black. What color is the stage light shining on the actor?
a)
Blue 
b)
Red
c)
Magenta
d)
Green
47.
Which pairs of colors of pigment combine to make black?
a)
green and magenta
b)
red and cyan
c)
yellow and blue
d)
All of the above
48.
The taking in of light by a material....
a)
absorption
b)
reflection
c)
refraction
d)
dark colors
49.
The bouncing of light off an object is ....
a)
a mirror
b)
absorption
c)
reflection
d)
refraction
50.
What happens to light passing through a prism?
a)
It goes right through it.
b)
It bends and the light separates.
c)
It bounces off it
d)
It goes around it.

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