NEW
Font size
WorksheetsElectromagnetic Spectrum
Total questions: 10
Worksheet time: 5mins
Which of the following has the highest energy?
microwave
ultraviolet rays
x-rays
infrared waves
What unit is used to measure the number of complete wave cycles in a second?
Hertz
Sievert
rem
frequency
The regions of the electromagnetic region move at the speed of light. Which of the following values shows the speed of light in vacuum?
3.0 x 108 m/s
3.0 x 10-8 m/s
3.0 x 1018 m/s
3.0 x 1080 m/s
This refers to the emission of light when an object is heated at a high temperature.
luminescence
incandescence
bioluminescence
This EM region is used in remote controls, night vision cameras, and thermometers.
infrared waves
x-rays
microwaves
ultraviolet rays
Among the seven colors of visible light, which color has the least energy?
red
violet
yellow
blue
A high-frequency radio wave that is used in long-distance communication.
microwave
radiowave
infrared rays
ultraviolet rays
Which of the following is arranged in decreasing frequency?
radio waves, microwaves, x-rays, gamma rays
gamma rays, x-rays, infrared, visible light
microwaves, infrared, ultraviolet waves, gamma rays
x-ray, ultraviolet waves, microwaves, radiowaves
The following are uses in radiowaves EXCEPT:
Magnetic Resonance Imaging
Pest Control
Radio Detection and Ranging
Universal Product Code
Who predicted the existence of electromagnetic waves?
Heinrich Hertz
James Clerk Maxwell
Isaac Newton
Albert Einstein
