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em wave
transverse waves that transfer energy from the source of the waves to an absorber
em spectrum
radio
microwaves
infrared
visible light
uv
x ray
gamma ray
visible light
red - longest
violet- shortest
refraction
occurs when light passes a boundary between 2 different transparent media
RP aim
how the amount of infrared radiation absorbed or radiated by a surface depends on the nature of that surface
RP method
set up 4 identical flasks painted black grey white silver
fill with hot water
note temps
radio waves
produced by connecting an antenna to a high frequency alternating current