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WorksheetsLight and Optics 8.5 - 8.7
Total questions: 33
Worksheet time: 1hrs 6mins
Why is the component of colour in a rainbow can be seen when light passes through a glass prism?
phenomena of scattering of light
phenomena of dispersion of light
phenomena of reflection of light
phenomena of diffraction of light
How many components of white light?
5
6
7
8
This is the example of dispersion of light
sky looks bright orange in the evening
shadow
Pool seems shallower
rainbow
These are all colours of spectrum except
indigo
blue
purple
green
Light is able to pass through __________________ materials
transparent
shiny
dull
opaque
Light is unable to pass through ________________ objects
opaque
coloured
blunt
dark
Which of the following natural phenomenons occur due to light dispersion.
Why does scattering of light occur?
Light rays are blocked and reflected to all directions by the clouds or particles in the air
Light rays are blocked and reflracted to all directions by the clouds or particles in the air
Light rays are passing through and refracted to all directions by the clouds or particles in the air
these are examples of phenomenon of scattering of light EXCEPT
Sky appears blue at midday
Sky appears reddish in the evening
Rainbow after rain
This is a phenomena scattering of wave during ______________ .
Blue colour is scattered _______ compared to the ______ colour.
sunset, more, yellow
sunset, less, red
the day, more, yellow
the day, less, yellow
Why the sky look blue during midday and red during sunset
Reflection of light
Refraction of light
Dispersion of Light
Scattering of Light
Here is an example of fine particles in the atmosphere EXCEPT
Debu / Dust
Titisan air / Water droplet
Daun / Leaf
Molekul gas / Gas molecule
At noon the sun appears white as
light is least scattered
all the colours of the white light are scattered away
blue colour is scattered the most
red colour is scattered the most
The clear sky appears blue because
blue light gets absorbed in the atmosphere.
ultraviolet radiations are absorbed in the atmosphere.
violet and blue lights get scattered more than lights of all other colours by the atmosphere.
light of all other colours is scattered more than the violet and blue colour lights by the atmosphere.
The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light
is scattered the most by smoke or fog
is scattered the least by smoke or fog
is absorbed the most by smoke or fog
moves fastest in air
Blue light is scattered in all directions causing the sky looks blue during midday.
True
False
Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?
Dispersion of light
Scattering of light
Total internal reflection of light
Reflection of light from the earth
View Answer
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 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.
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
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
Diagram shows light colour addition. What colour is P?
Magenta
Yellow
Cyan
White
