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WorksheetsLight Energy
Total questions: 50
Worksheet time: 25mins
What is being transferred with a wave?
matter
medium
energy
water
Which of the following properties makes a light wave different from a mechanical wave?
A light wave slows down in a vacuum
A light wave is able to transmit energy
A light wave exists as a transverse wave
A light wave can travel without a medium
What causes the refraction of a wave?
the density of the medium can change the speed
the amount of the medium changes the direction
What color do we see when all light is refracted?
red
black
white
rainbow
A reflected light ray makes an angle of 60 degrees with a mirror's surface. What angle did the incoming light ray form with the mirror's surface?
30
60
90
180
Which determines the color of an object?
Absorption
Diffraction
Reflection
Refraction
Which type of wave is light?
Diffusion
Transverse
Longitudinal
Compression
Frosted glass is made of glass with an etched surface. How would you describe the glass as light travels through it?
Translucent
Transparent
Opaque
Diffraction
Which object will absorb the most light?
Clear glass
Black paper
Plastic Wrap
Stained Glass
An object that absorbs all the colors in the visible spectrum will appear?
invisible
red
black
white
Light waves cannot travel completely through the following?
Air
rock
water
vacuum
What type of image is formed by a plane mirror?
Upright
Inverted
Magnified
All of the above
Which of the following can be used to magnify an image?
Concave lens
Convex lens
Convex mirror
concave mirror
Telescopes that use mirrors are called _____.
Diffraction
Reflecting
Refracting
Diffusion
When a light wave is refracted and its moving from liquid to gas, its speed will ____.
increase
decrease
A wave is refracted when it changes speed. As the light moves from gas to liquid it bends ____ the normal line.
away
towards
The distance between 2 crests or troughs
wavelength
amplitude
frequency
wave speed
The number of waves that pass in a given amount of time.
wavelength
wave speed
amplitude
frequency
Light is a type of energy
true
false
Light travels as a .................
Ocean Wave
Transverse Wave
Compression Wave
Mechanical Wave
Which wave on the Electromagnetic Spectrum has shorter wavelengths?
Visible Light
Microwave
Ultraviolet Wave
Infrared Wave
What is being transferred with a wave?
matter
medium
energy
water
Amplitude affects what aspect of light?
color
frequency
brighness
Why does a banana look yellow?
it reflects yellow wavelengths of light and absorbs most other wavelengths
it absorbs yellow wavelengths of light and reflects most other wavelengths
High frequency EM waves equals____________
more danger to humans
less danger to humans
does change amount of danger
The medium through which a mechanical wave passes can be a solid, a liquid, or a gas. Properties of a wave might change when it moves from one medium to another. What happens to the speed of a wave when it moves from a gas to a solid?
It speeds up
It slows down
It remains the same
It speeds up and then slows down
Suppose a mechanical wave is traveling through medium A. When the wave enters medium B, it speeds up. Which of the following statements is true about medium A and medium B?
Medium A is a solid and medium B is a gas
Medium A is a liquid and medium B is a solid
Medium A is a gas and medium B is a vacuum
Medium A is a vacuum and medium B is a liquid
Through which medium does a mechanical wave travel most quickly?
Solid
Liquid
Less dense gas
Very dense gas
What can Sara observe when a mechanical wave travels through ice into water vapor?
The wavelength increases when it enters the water vapor
The period increases when it enters the water vapor
It travels faster through the ice than it does through the water vapor
It travels faster through the water vapor than it does through the ice
Through which of these media do sound waves travel most slowly?
Iron
Wood
Water
Cold air
The energy generated by the sun travels to Earth as electromagnetic waves of varying lengths. Which statement describes an electromagnetic wave with a long wavelength?
It has a high frequency and low energy
It has a high frequency and high energy
It has a low frequency and can travel through a vacuum
It has a low frequency and needs a medium to travel through
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. Which is a logical conclusion about these electromagnetic waves?
Their energy must be very low
Their frequency must be very low
Their wavelengths must be very short
These waves can travel without a medium
The visible part of the electromagnetic spectrum consists of the colors that we see in a rainbow. Each color we
see corresponds to a different wavelength of light. Which color of visible light has the shortest wavelength?
Red
Green
Violet
Yellow
Our eyes detect light that lies only within a small region of the electromagnetic spectrum. This region is called
visible light. Which of these statements describes the visible spectrum of light as seen by the human eye?
The lowest frequency appears red, and the highest frequency appears violet.
The lowest frequency appears green, and the highest frequency appears red.
The lowest frequency appears blue, and the highest frequency appears orange.
The lowest frequency appears yellow, and the highest frequency appears green.
This lake's water is so calm that it looks like a huge mirror on the ground. What property of light creates this optical illusion?
Refraction
Reflection
Transparency
Opaqueness
This lens takes light and focuses it on a single point. What type of lens is shown in the picture?
Convex Lens
Concave Lens
The "I don't know" Lens
Opaque Lens
This lens takes light and spreads it out. What type of lens is shown in the picture?
Convex Lens
Concave Lens
The "I don't know" Lens
Opaque Lens
