WorksheetsThe electromagnetic spectrum
Total questions: 10
Worksheet time: 5mins
Which electromagnetic waves are used for cell phone signals?
X rays
microwaves
gamma rays
None of the above
Which choice lists electromagnetic waves in the correct sequence from higher to lower frequencies?
microwaves, infrared light, visible light
ultraviolet light, X rays, gamma rays
X rays, ultraviolet light, visible light
radio waves, microwaves, infrared light
Electromagnetic waves that have the least amount of energy are:
Radio waves
Infrared light
Visible light
Ultraviolet light
What color does the shortest wavelength of visible light appear to the human eye?
Red
Yellow
Orange
Violet
X rays are used for
tracking storms.
medical diagnosis
screening luggage at airports
None of the above
Ultraviolet light has shorter wavelengths than visible light.
True
False
The most energetic of all electromagnetic waves are
Gamma radiation.
X-rays
Ultraviolet waves.
Infrared waves.
Gamma radiation has
the lowest frecuency
the highest frecuency
Less energy than radio waves
None of the above
To tune the frequency of an FM radio you must turn the dial to 90 Mhz. What is its frequency in Hz?
9⋅107 Hz
90 Hz
900 Hz
0,9 Hz
The lower frequency waves have
greater length than the higher frequency waves
more energy than the higher frequency waves
greater length than the higher frequency waves
None of the above
