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WorksheetsLight (9-O)
Total questions: 50
Worksheet time: 50mins
Which of these provides the best explanation for why the pencil appears broken?
The pencil absorbs the light rays that hit it.
Water reflects light rays away from the pencil.
Light rays are bent by the water in the glass.
The surface of the water reflects the light rays.
Caleb is sitting near the window on a sunny day. When he closes the curtain, the room becomes darker. What property of the curtain allows it to make the room darker?
The curtain absorbs light.
The curtain is brightly colored.
The curtain folds easily.
The curtain is rectangular shape.
At what point is the laser being reflected?
A
B
C
D
Light travels in straight lines until reflected by another object. Which illustration best shows the light being reflected?
Which of the following is the best example of an object absorbing light?
A black sweater in the sun.
A clean window in the sun.
A curved mirror in the sun.
A long shadow in the sun.
Light rays from any light source travel outward in all directions along a straight path until they hit something. which of the following best represents what occurs when light rays hit a glass of water?
The light rays will pass straight through from air to water.
The water absorbs the light, and it will no longer be seen.
The light rays will bend at the boundary of air and water.
The surface of the water will reflect the light off the water.
Which illustration best shows light being refracted?
Which object refracted the laser beam?
Silver locket
Picture frame
Glass marble
Notebook
What makes it possible to see an object when looking through a periscope?
It contains mirrors that reflect the object.
It magnifies small objects so they can be seen.
It absorbs the light rays passing through it.
It separates the light into different colors.
Which of the following is demonstrated when light bounces off of mirrors or shiny surfaces?
Scattering
Refraction
Absorption
Reflection
Which of the following types of electromagnetic radiation has the shortest wavelengths?
Infrared
Ultraviolet
Visible light
Radio waves
Which portion has the longest wavelengths?
A
B
C
D
Our eyes perceive colors because of differences in which of the following properties of light?
Intensity
Wavelength
Angle
Source
Adrian is observing a piece of white paper. His eye perceives the paper to be white because his eye is receiving what kind of light?
Light in all the colors of the visible spectrum.
Light mostly at the ultraviolet end of the spectrum.
Light mostly at the infrared end of the spectrum.
Light the paper produces when heated by the Sun.
The energy that is radiated to Earth by the Sun includes visible light, infrared radiation, ultraviolet radiation, and other types. These different forms of radiation are distinguished based on what property?
Amplitude
Wavelength
Speed
Intensity
Sunlight is a mixture of electromagnetic waves, ranging from infrared to ultraviolet. Which of the following types of electromagnetic radiation has the longest wavelengths?
Infrared
Ultraviolet
Visible light
Radio waves
Which portion can be detected by the human eye?
A
B
C
D
Brooke wakes up in the morning to rind a rainbow produced by light shining through the fish tank near her window. Which of the following types of electromagnetic radiation produced the rainbow that Brooke saw?
Ultraviolet
Infrared
White light
Gamma rays
A combination of all the wavelengths with in the visible light portion of the electromagnetic spectrum will result in which of the following colors?
White
Red
Violet
Blue
Which of the following best describes the radiation our planet receives from the Sun?
All the radiation is infrared radiation.
The radiation is in many different wavelengths.
All the radiation is ultraviolet radiation.
The radiation includes all wavelengths except visible light.
An example of a natural light source is
the moon
a candle
the sun
a torch
When an object blocks light, you get
an eclipse
a surprise
a shadow
darkness
The moon _________ the sun's light.
reflects
absorbs
turns on
dims
Light cannot go around...?
corners
bends
a wall
all of the above
Light travels in
zig zags
waves
straight lines
circles
Which surface would reflect light the best?
light coloured and smooth
dark coloured and smooth
dark coloured and rough
Which object would reflect the most light?
A polished metal knife
A cricket bat
A rusty tin
A blue sheet of paper
Mirrors work by
Absorbing the light
Refracting the light
Reflecting the light
Letting the light through
How do we see an object?
Light reflects off the object and into our eyes.
Light travels from our eyes and reflects off the object
Light reflects off our eyes and enters the object
The object produces its own light
Which of these statements is false?
Light travels very fast
Light can pass through any material
Light travels in straight lines
We need light to see
1. Sami is 50 cm from a vertical mirror. He moves 20cm away. The distance between his image and himself is then ………….
100cm
120cm
140cm
40cm
2. The imaginary line perpendicular to the mirror is called the
Incident ray
reflected ray
normal line
3. The angle between the reflected ray and the normal line is called the:
Angle of incidence
Angle of reflection
angle of convergent
4. If the angle of incidence is 45 degree, what is the angle of reflection?
90°
45°
180°
The Law of reflection states that - The angle of incidence is .................. the angle of reflection
equal to
double
half
The ray of light that strikes a mirror is called ________
an incident ray
a reflected ray
a normal ray
Why can you see most objects?
they emit light
light refracts through them
light reflects off them
They absorb light
A copy of an object formed by reflected or refracted rays of light
image
regular reflection
reflection
diffuse reflection
A _________ forms when the path of light is blocked.
sun
circle
line
shadow
An image that you can see , but does not really exist is called which of the following
Real Image
Fake Image
Virtual Image
Digital Image
