WorksheetsRadio Waves
Total questions: 10
Worksheet time: 6mins
Which one is true about the radio spectrum?
Ranges from 1Hz to 3000GHz
Ranges from 1Hz to 1000GHz
Ranges from 1Hz to 8000GHz
none of the above
What color is a Low E.M. wave on a color spectrum?
blue
green
yellow
red
What is radar used for?
tracking
all of the above
recognizing
locating
Radiofrequency radiation is a _ radiation.
(a)
An MRI is
An X-ray
A computer linked to an x-ray machine
Radio waves and a powerful magnet to make detailed images
is used to see the body's functions
A typical radio wavelength is...
1000GHz
300GHz
3000GHz
400GHz
A radio wave travels at the speed of _.
(a)
Polarization travels in the...
Same direction as its oscillating electric field
Opposite direction as its oscillating electric field
No direction as its oscillating electric field
none of the above
Microwaves are a form of "electromagnetic" radiation.
True
False
How do radio waves impact out enviroment?
Radio waves can't separate from atoms, only ionize them
Radio waves are reflected, absorbed, and scattered.
all of the above
The use of a wireless phone can cause brain cancer.
