In general, the shorter the wavelength/higher frequency the wave the more dangerous it can be.
{"Image DocumentName": "In general, the shorter the wavelength/higher frequency the wave the more dangerous it can be.", "Image ImageDescription": "Radio waves- \u03bb > 30cm- television and radio signals are carried by radio waves. Microwaves- 30cm>\u03bb>1mm-used in microwaves, cell phones, and radar. Infrared waves- 1mm>\u03bb> 700nm- most heat, especially from the sun, travels as infrared waves. Visible light- 700nm>\u03bb>400nm- all of the light and color that we see. Long \u03bb. Short \u03bb.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}