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Worksheetsmodule 1,2
Total questions: 68
Worksheet time: 33mins
These are waves that are created as a result of vibrations between an electric field and magnetic field.
electromagnetic spectrum
electromagnetic wave
microwave
radio wave
Electromagnetic waves are produced by ___________.
any disturbance
currents
vibrating charge
voltage source
Which two colors of light lie at the beginning and end of the visible spectrum?
red and violet
red and yellow
yellow and violet
yellow and green
This type of EM wave has a wavelength similar to the size of PBA basketball court (28 meters).
microwave
radio wave
ultraviolet
visible light
Which of the following electromagnetic waves has the LEAST wavelength range?
infrared
ultraviolet
visible light
x-ray
What happens to the frequency of electromagnetic wave if its wavelength increases?
It decreases.
It doubles.
It increases as well.
It remains the same.
Which of the following forms of electromagnetic wave has the WIDEST wavelength range?
microwave
radio wave
ultraviolet
x-ray
In the visible spectrum, which color has the LONGEST wavelength?
blue
green
red
violet
Which property spells the difference between infrared and ultraviolet radiation?
amplitude
color
speed in vacuum
wavelength
Which electromagnetic wave can travel the FARTHEST distances because it has a wavelength range of greater than 1x10-1 meters?
gamma ray
radio wave
microwave
x-ray
Which among the following electromagnetic waves has the LOWEST frequency?
gamma ray
infrared
ultraviolet
visible light
Which among the following electromagnetic waves has the SHORTEST wavelength?
infrared
microwave
radio wave
x-ray
Among the given EM waves below, which carries the MOST energy?
microwave
radio wave
ultraviolet ray
visible lights
Which of the following statements is CORRECT?
Gamma ray has the highest frequency and the highest energy.
Gamma ray has the highest frequency but has the least energy.
Radio wave has the highest frequency and the highest energy.
Radio wave has the lowest frequency but has the highest energy.
Which of the following is correctly arranged from HIGHEST to LOWEST energy?
Gamma ray, radio wave, infrared
Microwave, x-ray, gamma ray
Ultraviolet, visible light, radio wave
X-ray, gamma ray, ultraviolet
Which has shorter wavelength? A. X-Rays or B. Gamma rays
A. X-Rays
B. Gamma rays
Which has higher frequency? A. Visible light or B.Ultraviolet
A. Visible light
B.Ultraviolet
Which has more energy? A. Radio waves or B. Infrared
A. Radio waves
B. Infrared
Which has longer wavelength on visible light? A. green light or B. Blue light
A. green light
B. Blue light
Which has lesser frequency? A. Microwave or B. Gamma Ray
A. Microwave
B. Gamma Ray
Which has longer wavelength? A. microwave B. INFRARED C. X-RAY
A. microwave
B. INFRARED
C. X-RAY
Which has shorter wavelength? A. microwave B. INFRARED C. X-RAY
A. microwave
B. INFRARED
C. X-RAY
Which has higher frequency? A. microwave B. INFRARED C. X-RAY
A. microwave
B. INFRARED
C. X-RAY
Which has lower frequency? A. microwave B. INFRARED C. X-RAY
A. microwave
B. INFRARED
C. X-RAY
Which has longer wavelength? A. red B. orange C. violet
A. red
B. orange
C. violet
Which has shorter wavelength? A. red B. orange C. violet
A. red
B. orange
C. violet
Which has higher frequency? A. red B. orange C. violet
A. red
B. orange
C. violet
Which has lower frequency? A. red B. orange C. violet
A. red
B. orange
C. violet
Which has more energy? A. microwave B. INFRARED C. X-RAY
A. microwave
B. INFRARED
C. X-RAY
Which has less energy? A. microwave B. INFRARED C. X-RAY
A. microwave
B. INFRARED
C. X-RAY
Which has more energy? A. red B. orange C. violet
A. red
B. orange
C. violet
Which has less energy? A. red B. orange C. violet
A. red
B. orange
C. violet
What EM wave make cellular telephones transmit and receive signals?
radio waves
visible light
microwaves
gamma rays
All of the following are uses of visible light. Which one is not?
it enables us to see things
gives light to the screen of our devices
for thermal imaging
used in optical fibers
Which kind of wave is use in night vision goggles?
microwave
gamma ray
infrared
visible light
Which of the following EM wave makes use of artificial lighting?
visible spectrum
gamma rays
x-ray
infrared
Which of the following is a use of ultraviolet radiation?
diagnosing bone fracture
identifying original from fake banknotes
night vision goggle
optical fiber
Which type of X-ray can penetrate even through metals?
regular X-ray
short wavelength X-ray
long wavelength X-ray
dental X-ray
What type of electromagnetic waves is used in RADAR?
infrared rays
radio waves
microwaves
ultraviolet rays
What imaging technique uses powerful magnets, computer and radio waves to make detailed pictures inside your body?
thermal imaging
Magnetic Resonance Imaging (MRI)
infrared imaging
X-ray image
In an infrared camera, what color indicates warmer temperature?
blue
violet
green
yellow
In an infrared camera, what color indicates warmer temperature?
blue
violet
green
yellow
Which of the EM waves below are emitted by stars and some radioactive substances?
gamma rays
microwave
radio waves
X-ray
Which kind of wave causes the fluorescent chemicals to glow in sunlight?
microwave
gamma ray
ultraviolet
visible light
How many of the EM waves are visible?
none out of seven EM waves
most of it
all of the EM waves
only one out of seven EM waves
Among the following forms of the EM spectrum, which waves do not have enough energies to damage the body cells?
gamma ray and infrared
gamma ray and ultraviolet
radio wave and visible light
X-ray and ultraviolet
What kind of wave is very dangerous, but have been used to kill cancer cells?
gamma rays
radio waves
infrared
visible light
Which of the following sets of EM radiation can harm your body cells?
gamma ray, ultraviolet ray, X-ray
infrared, microwaves, ultraviolet
light, ultraviolet, X-ray
gamma ray, microwaves, infrared
Which pair of EM waves is commonly used for communication?
X-rays and infrared
radio waves and gamma rays
radio waves and microwaves
infrared and microwaves
Radio wave is useful in which of the following applications?
watching television
treating cancers
sterilizing medical equipment
sunbathing
All of the following made use of gamma rays except one. Which is it?
treating tumors
treating cancer through the process called radiotherapy
sterilization of water in drinking fountains
sterilization of medical equipment
Infrared waves is useful in which of the following applications?
remote control
screen of electronic devices
television signal
night vision goggles
Microwave is useful in which of the following applications?
remote control
artificial lighting
cellphone communication
sterilization
Which of the following is not an application of visible light?
bulb
cell phone screen
Security markings
flashlight
Which of the following is the correct meaning of the acronym GPS?
Guided Position Symbol
Guided Positioning System
Global Positioning System
Global Perimeter Scale
Colors in the infrared image depend on ________________.
temperature
frequency
Which of the devices below can be used to detect aircrafts and ships?
RADAR
GPS
MRI
communication tower
What device uses thermal imaging technology to capture the light being emitted as heat by objects in the field of view?
infrared camera
fluorescent
remote control
night vision goggles
This type of EM wave is used in radio and television signals.
infrared
uv
gamma ray
It is the wave used in satellite communication and cellular phones.
Radio
microwave
x-ray
uv
Doctors use this wave to diagnose bone fractures.
UV
gamma ray
radio wave
x-ray
It is used in cooking appliances that heat food by agitating water molecules.
UV
radio wave
microwave
x-ray
The type of wave that makes remote controls and night vision goggles possible.
radio wave
infrared
microwave
UV
This wave is used in radiotherapy to treat cancer.
Gamma ray
x-ray
radio wave
UV
It can sterilize drinking water in fountains by killing microorganisms.
Visible light
x-ray
UV
Gamma ray
Used in airport security scanners to detect hidden objects.
gamma ray
x-ray
UV
microwave
It is a medical imaging technique that uses powerful magnets, computer and radio waves to make detailed pictures inside your body.
RADAR
SONAR
MRI
GPS
It is a detection system used to determine the range, angle or velocity of objects. It can be used to detect aircraft, ships, and the like.
SONAR
RADAR
GPS
MRI
