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WorksheetsRegions of the EM Wave Spectrum
Total questions: 15
Worksheet time: 5mins
Which of the following does not utilize radio waves?
RFID
GPS
WiFi
Night Vision
What is the value of the wavelength (λ) of red light?
760 nm
590 nm
470 nm
410 nm
What EM radiation is used for thermal scanners?
ultraviolet radiation
gamma radiation
x-ray radiation
infrared radiation
Which of the following is a non-ionizing radiation?
x-ray
microwave
gamma ray
ultraviolet radiation
What EM radiation is used by doppler radars to check the quantity of rain stored in clouds?
radio waves
microwave
infrared radiation
visible light
Which of the following EM waves has the highest amount of energy?
infrared radiation
visible light
microwave
radio wave
The following question does not refer to EM waves (as they move at the speed of light). This in reference to the understanding of the basic wave equation:
A typical P-wave earthquake has a speed of 8,000 m/s. What is its frequency if the wavelength of the wave is 50 km?
Write your answer with unit.
(a)
In radio broadcasting, what does AM stand for?
after morning
amplitude modeling
amplitude modulation
ante meridian
Among the different colors of the visible light spectrum, which has the highest amount of energy?
blue
green
red
violet
Which one does not belong to the group?
infrared waves
microwaves
sound waves
visible light
Which type of EM radiation is used in magnetic resonance imaging?
gamma radiation
radio waves
microwaves
ultraviolet radiation
Which EM wave does not pose a significant health threat when being exposed to it?
radio wave
x-ray
ultraviolet
gamma ray
Which property is common among EM waves?
energy
frequency
velocity
wavelength
Which EM wave is used in radiotherapy to destroy cancer cells?
x-ray
gamma ray
ultraviolet radiation
infrared radiation
Which of the following ranges of frequency in radio waves is used in airport control towers to communicate with airplanes?
low frequency
medium frequency
ultra high frequency
very high frequency
