Does light have radiation? Phone phone when the radiation is large or large infrared
Light belongs to the electromagnetic wave, the electromagnetic wave will have the radiation, but the ordinary light radiation will not be harmful to the human body. Infrared radiation will only produce heat, infrared radiation will only feel the heat. Mobile phones are short-wave communication on the human body has a greater radiation, should be less mobile phone.
When choosing a mobile phone, should choose the power is small, the radiation is relatively small.
Because the phone band is longer, but have greater penetration, not easy to decay, so for communication, the same great harm to the body. When choosing a mobile phone, should choose the power is small, the radiation is relatively small.
