College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Electromagnetic radiation is more common than
you might expect. Radio and TV stations emit radio
waves as they broadcast their programs;
microwaves cook your food in a microwave oven;
conventional ovens and stoves emit infrared and
slightly visible radiation; dentists use X rays to
check your teeth; and cell phones operate using
microwaves as well, but at a lower frequency than
microwave ovens. Even though they have different
names and different applications, these types of
radiation are really all the same thing:
electromagnetic (EM) waves - energy that travels
in the form of oscillating electric and magnetic
fields.
Which of the following statements correctly describe the various applications listed above?
Check all that apply.
► View Available Hint(s)
None of these technologies use radio waves.
None of these technologies use lower-frequency microwaves.
None of these technologies use higher-frequency microwaves.
None of these technologies use infrared waves.
The radiation emitted by some wireless local area networks has the shortest wavelength of
all the technologies listed above.
All these technologies emit waves with a wavelength in the range 0.01 to 10.0 m.
All these technologies emit waves with a wavelength in the range 0.01 to 10.0 km.
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