Electromagnetic Spectrum Poster
Описание Раскадровки
Have students research one part of the electromagnetic spectrum and create a poster!
Текст Раскадровки
- Горка: 1
- Discovered circa 1800 by William Herschel
- Infrared Radiation
- Virtually invisible, longer wavelengths
- visible light
- Wavelength: 700 nm - 1 mm
- Infrared Radiation (Infrared Light) is used in:
- - Night Vision Devices- Astronomy Sensors- Thermal Imaging Cameras- Remote Temperature Sensing- Weather Forecasting
- Frequency: 430 THz - 300 GHz
- Hazards of intense/exessive exposure: damage to lens and cornea, part of greenhouse effect, skin damage
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