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25 questions
Which of the following has the lowest energy?
The color yellow
The color blue
The color indigo
The color orange
Which of the following has the shortest wavelength?
microwaves
UV rays
Infrared
the color blue
Which of the following has the most energy?
Red
Blue
Green
Violet
Which of the following is true for sound waves?
They require a medium.
They are unrelated to vibrations.
They cannot travel through liquids
They can travel in a vacuum
A student asks a series of questions about a wave. The answer to which question will allow the student to determine whether the wave is electromagnetic or mechanical?
Does it require a medium in order to travel?
Can it pass through air and water?
Does it have a measurable speed?
Does it have a measurable frequency?
How do electromagnetic and mechanical waves compare?
Mechanical waves can only travel through a vacuum, but electromagnetic waves can travel through a solid, liquid, or gas.
Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a gas.
Mechanical waves can only travel through a solid, liquid, or gas, but electromagnetic waves can travel through a vacuum.
Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a solid.
This sound has high pitch, which means it has a higher frequency. This means when you hear the sound...
More waves hit your ears per second
Bigger waves hit your ears
Less waves hit your ears per second
Longer waves hit your ears
How are Electromagnetic waves different from Mechanical waves?
EM waves have very short wavelengths
EM waves transmit energy instead of matter
EM waves can travel through the vacuum of space (without particles)
EM waves can change direction by reflection
Select the correct order of waves on the EMS from low to high energy
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
A wave has a frequency of 10 hz and a wavelength of 4 m. What is the velocity of the wave?
24 m/s
40 m/s
2.5 m/s
A wave has a velocity of 10 m/s and a frequency of 20 hz. What is the wave length of the wave?
2 m
0.5 m
10 m
A wave has a frequency of 2.5 hz and a wavelength of 20 m. What is the velocity of the wave?
50 m/s
8 m/s
40 m/s
A wave has a velocity of 4 m/s and a wavelength of 2 m. What is the frequency of the wave?
2 hz
8 hz
18 hz
A wave has a frequency of 6 Hz. What is the period of the wave?
0.167 s
6 m
0.167
6 Hz
A radio wave has a wave length of 4 m and a frequency of 4 Hz. What is the speed of the wave?
16 m/s
16 m
4 Hz
8 m/s
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