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Worksheets11 | EM Waves
Total questions: 50
Worksheet time: 30mins
Which color of visible light listed has the highest energy?
red
yellow
green
blue
Which color of visible light listed has the lowest frequency?
red
yellow
green
blue
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
This type of electromagnetic wave shows a break in bones.
Radio waves
Infrared waves
X-rays
Gamma rays
_____ is the bending of a wave as it enters a new medium at an angle.
Reflection
Refraction
Interference
Diffraction
Which EM wave could cause the most damage?
Radio waves
X-rays
Ultraviolet waves
Gamma rays
The _______________ determines the color of visible light.
wavelength (and frequency)
speed
amplitude
particles of the medium
only a small portion
a very large portion
about half
Which part of the wave is the top of a transverse wave?
crest
wavelength
trough
compression
amplitude
The lower the frequency the ______ the energy.
higher
lower
neither, stays the same
Military night vision goggles use ___ waves.
radio wave
microwave
infrared
light
What is an example of a radio wave?
Vision
Television
Heat lamp
Sunlight
Light acts as...
a wave
both a wave and a particle
a particle
neither a wave or a particle
To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its ...
amplitude
intensity
wavelength
refraction
Cellular phones utilize...
microwaves
radar waves
very high frequency waves
very low frequency waves
Infrared rays have a shorter wavelength than...
radio waves
gamma rays
X-rays
Ultraviolet rays
Which type of wave can cause your skin to age prematurely?
Ultraviolet waves
radio waves
X-rays
The electrical field and magnetic fields of electromagnetic waves are ...
parallel
perpendicular
symmetrical
all of the above
A wavelength is the distance between which 2 points?
B and G
A and C
C and F
A and H
The following diagram shows a wave that begins with a ________frequency and transitions to a ________frequency.
low, high
high, low
high, high
None of these
The full range of frequencies of electromagnetic radiation is called
visible light.
radio waves.
the electromagnetic spectrum.
invisible radiation.
The visible light spectrum ranges between
radar waves and X-rays.
television waves and infrared rays.
infrared rays and ultraviolet rays.
ultraviolet rays and gamma rays.
Newton’s prism experiments showed that white sunlight is made up of ...
the full electromagnetic spectrum.
only blue light.
all the colors of the visible spectrum.
only the longest wavelengths.
Electromagnetic waves do not require a medium to travel.
True
False
Which type of radio waves can travel great distances because they bounce off the atmosphere?
FM
AM
AM stands for _________ modulation.
altitude
alternating
amplitude
How many satellites does the GPS system use to determine your location?
2
3
4
7
GPS stands for _______________ ________________ system.
global placement
global positioning
gamma positioning
Select the correct order of waves on the EMS from low to high energy
Radio, Microwave, Infrared, Visible, UV, X-ray, Gamma
Gamma, X-ray, UV, Visible, Infra, Microwave, Radio
Visible, Microwave, Infrared, UV, X-ray, Gamma, Radio
Microwave, Radio, Visible, Infrared, UV, X-ray, Gamma
Which is true about the speed of radio waves compared to visible light waves? Radio waves have ...
less energy & frequency, but still the SAME speed as the speed of light (300,000,000 m/s)
less energy & frequency, so LESS than the speed of light (300,000,000 m/s)
smaller wavelength, so LESS than the speed of light (300,000,000 m/s)
more energy & frequency, so MORE than the speed of light (300,000,000 m/s)
In the diagram, if the angle of reflection is 40 degrees, what is the total angle between the incident ray C and reflected ray B?
40
50
80
100
Which particle is a wave of light?
proton
neutron
electron
photon
Particles of light are named photons because of ...
Albert Einstein
Heinrich Hertz
Stephen Hawking
Rosalind Franklin
gains a positive charge
gains a negative charge
increases its energy level
decreases its energy level
When two light waves interfere constructively, you see
a dark spot.
a bright spot.
nothing at all.
Which has higher frequencies, ultraviolet or infrared waves?
infrared waves
ultraviolet waves
They both have the same frequency.
If Wave A is an infrared wave, Wave B is a Microwave, and Wave C is Ultraviolet Light, which wave can travel at the fastest speed?
All of the following waves are more energetic than visible light, EXCEPT:
radio waves
ultraviolet waves
X-rays
gamma rays
All of the following waves are longer than visible light waves, EXCEPT:
infrared waves
microwaves
TV waves
ultraviolet waves
540 to 1600
