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WorksheetsLight Form 1
Total questions: 36
Worksheet time: 36mins
Diagram 1 shows the position of an object in front of a plane mirror. Which position, A, B, C or D, is the position of the image?
A
B
C
D
Which optical instrument uses plane mirror in submarines to look at objects above the sea level?
Camera
Binoculars
Telescope
Periscope
A white light passing through a glass prism and a yellow filter as shown in Diagram. What colour is observed on the blue paper?
Blue
Black
Cyan
White
If a green shirt appears black under a light X, what is the colour of light X?
White
Cyan
Blue
Yellow
Which of the colours of light can be mixed to get cyan light?
I Magenta
II Blue
III Green
IV Yellow
I and II
I and IV
II and III
III and IV
A white object appears white because all coloured lights are (absorbed, reflected) by it.
absorbed
reflected
A blue object only reflects blue light. Other coloured lights are (absorbed, reflected) by it.
absorbed
reflected
Refraction is the change in ............ of light when light travels through two medium of different densities
direction
illustions
situation
densities
The thing that make his special from others is "open-hand martial art skills" also known as pencak silat.
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
The light ray is refracted .......... the normal line when light moves from air which is less dense medium to water which is more dense medium
away
towards
The light ray is refracted .......... from normal line when the light moves from water which is more dense medium to air which is less dense medium.
away
towars
What happens to light passing through a hand lens that makes the image of the penny appear larger? The light is-
Which one of hero below use light as their weapon.
Which one is refraction of light phenomenon
When does the light is refracted?
When light travels in a straight line
When light is bounced
When light travels in two different mediums
When light cannot pass through an opaque object
Which stars twinkle more
no difference
the closer
the further
the bigger
We can see the depth of a pool
shallower
deeper
in true position
Which of the following is example light scattering ?
( There CAN be more than 1 answer)
Why does scattering of light occur?
Light rays are reflected by atmospheric molecules and scatter in all directions
Light rays are blocked and refracted to all directions by the clouds or particles in the air
Light rays are transmitted and refracted in all directions by the clouds or particles in the air
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.
These are examples of phenomenon of scattering of light except
Sky appears blue at midday
Sky appears reddish in the sunset
Rainbow after rain
Which one is pikachu?
During sunset, red light with a long wavelength is scattered the ......... and travel through the atmospheric layer.
most
least
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 of the following is NOT a primary color of light?
Red
Blue
Yellow
Green
The process of mixing primary coloured lights to produce secondary coloured lights.
This process related to
Dispersion of light
Addition of light
Subtraction of light
Refraction of light
The light which has the same colour as the colour of the opaque objects will reflected directly into our eyes, while the light of other colours will be absorbed by objects. This phenomenon is known as
Dispersion of light
Addition of light
Subtraction of light
Refraction of light
Which of the following is NOT a secondary colours
Cyan
White
Yellow
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