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WorksheetsEMS, Doppler and Color
Total questions: 35
Worksheet time: 58mins
This is the portion of the Electromagnetic spectrum that has the longest wavelength.
Gamma Rays
Visible Light
Microwaves
Radio Waves
The portion of the Electromagnetic Spectrum that has the shortest wavelengths.
Microwaves
Gamma Rays
X-Rays
Infrared
What is the portion of the Electromagnetic Spectrum that we can see and interpret with our eyes?
Infrared Waves
Ultraviolet Waves
Radio Waves
Visible Light
White light is a combination of
All of the colors of the rainbow
All of the different portions of the EM Spectrum
Nothing, just white light.
Red and green light only
Which color has the shortest wavelength of visible light?
Red
Orange
Green
Violet
Which color has the longest wavelength of visible light?
Red
Orange
Green
Purple
When the wavelengths in the Electromagnetic Spectrum get shorter, what happens to the frequency of the waves?
It decreases
It increases
It stays the same
They are unrelated
In the Electromagnetic Spectrum, the waves with higher frequencies have __________ energy.
more
less
the same
no relation to
Which type of waves in the Electromagnetic Spectrum are used to send to and from cell phones?
Radio Waves
Microwaves
Infrared Waves
Cellular Waves
What is the difference in energy between Infrared and Ultraviolet Waves?
Infrared Waves have more energy than Ultraviolet Waves
They both have the same amount of energy
Ultraviolet Waves have more energy than Infrared Waves
Neither of them have any energy.
Red light has __________ energy than blue light.
more
less
Can astronomers study the light from a star to determine its composition?
yes
no
T/F: Every element has a unique set of spectral lines.
True
False
What is the Doppler effect?
The observed change in frequency of sound or light because of the relative motion of a wave source and the observer.
The observed change in amplitude of sound or light because of the relative motion of a wave source and the observer.
The observed change in wave speed of sound or light because of the relative motion of a wave source and the observer.
The observed change in equilibrium position of sound or light because of the relative motion of a wave source and the observer.
The pitch of a sound wave relates to the wave's _________________.
Amplitude
Frequency
Wavelength
Period
An ambulance is driving towards you as you stand on the sidewalk. What happens to the pitch of the siren as it comes towards you?
It increases
It decreases
Light can change color due to the Doppler Effect.
True
False
Look at the picture. Who is experiencing a higher pitched sound?
Observer A
Observer B
There's no difference
Look at the picture. Who is experiencing a lower pitched sound?
Observer A
Observer B
There is no difference
Which color has the longest wavelength and shortest frequency?
Red
Yellow
Blue
Violet
Which color has the shortest wavelength and highest frequency?
Violet
Yellow
Orange
Green
The color of objects that we see is the color of the wavelength that is ___________ from its surface.
refracted
reflected
absorbed
dispersed
