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WorksheetsElectromagnetic spectrum
Total questions: 42
Worksheet time: 37mins
What type of wave is an Electromagnetic wave?
A mechanical wave
A transverse wave
An electrical wave
A longitudinal wave
At what speed do Radio waves travel?
At the speed of microwaves
At the speed of light
At the speed of sound
At the speed of all the waves in the electromagnetic spectrum.
The color of visible light that has the longest wavelength is (a) .
Uses of infrared? (check all that apply)
Night vision goggles
Heat Lamps.
Satellite communications
TV remotes
Cause skin cancer
Which color has the longest wavelength?
Yellow
Red
Green
Purple
Which of the following is not in the electromagnetic spectrum?
Light waves
Sound waves
Radio Waves
X-rays
What is the correct order of the visible light spectrum starting with the longer wavelength?
Red, yellow, orange, blue, violet, indigo
Violet, indigo, blue, green, yellow, orange, red
Green, yellow, blue, indigo, red, orange
Red, orange, yellow, green, blue, indigo, violet
What electromagnetic wave do humans emit as heat energy?
infrared light
ultraviolet light
visible light
microwaves
X-rays help...
scan for cancer cells
checking for fractures (broken bones)
with communication waves
transfer data
Wavelengths are measured by...
Mile
Metrometers
Meters
Modulor
Who discovered the electromagnetic spectrum?
Heinrich Hertz
Guglielmo Marconi
W.C. Röntgen
Sir William Herschel
Gamma Rays can cause...
diseases to skin
burns on skin
Eating disorder
eye disorders
What lies between infrared and UV?
Visible light
Radio waves
X-rays
Mircowaves
Electromagnetic waves with longer wavelengths than visible light, but shorter than radio waves.
infrared
ultraviolet
radiation
wavelength
Electromagnetic waves do not require a medium (they can travel through empty space).
True
False
Our eyes perceive colors because of differences in which of the following properties of light?
intensity
wavelength
angle
source
The sun radiates electromagnetic energy to the Earth in many different wavelengths.
true
false
How is visible light detected?
(a)
How are radio waves detected?
(a)
How are microwaves detected?
(a)
How are Gamma rays detected?
(a)
How are X-Rays detected?
(a)
How are UV rays detected?
(a)
Source of radio waves apart from the sun?
(a)
Source of UV rays apart from the sun?
(a)
Source of Infra red apart from the sun?
(a)
Source of X-rays apart from the sun?
(a)
One use of visible light?
(a)
One use of microwaves apart from cooking?
(a)
One use of UV ?
(a)
One use of Gamma rays?
(a)
One use of X-rays?
(a)
Which electromagnetic wave is/are harmful to living things?
Gamma rays, Microwaves and UV rays
Radio waves, Microwaves and Infrared waves
UV rays and visible light
X-rays only
Gamma rays, X-rays and UV rays
Why are some electromagnetic waves harmful to living things?
(a)
