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Autofocusing is usually based on infra red radiation.
Autofocusing is usually based on infra red radiation.
whatb type of EM waves do you think that are most usefu?
Cell Phones depend on The EM Radio Waves to Work. By: And
Gamma Waves
microwaves
EM waves stand for Electromagnetic waves.
EM waves or electromagnetic waves is radiant energy.
EM waves stand for Electromagnetic waves.
EM waves are both Transverse and Longitudinal.
Extremely low frequency (ELF) waves have wavelength of the order of 100 megametres ( = 100,000 kilometres).
EM waves stands for Electromagnetic Waves. The EM waves used in dentistry are usually X-Rays. These electromagnetic waves go through your skin and other body tissue (don't worry it's not very harmful or bad for you). And reflect off your bones. Think of it as a camera, the X-Ray machine sends out a flash, then takes the picture. This 'picture' shows where your bones are and whats happening to them, like, are they coming out as an adult tooth? or will you need braces in a few years. That sort of thing.