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This quiz contains 7 questions from a mix of 1 subtopics.
shorter / longer
Microwaves and infrared waves have wavelengths than visible light.
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Microwaves that can be absorbed by water molecules are used for:
Satellite communication
Microwave ovens
Seeing animals in the dark
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Microwaves that cannot be absorbed by water molecules are used for:
Seeing animals in the dark
Microwave ovens
Satellite communication
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some / all / heat
Infrared radiation is emitted from objects that have thermal energy.
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True or false? Higher temperature objects emit less infrared radiation than lower temperature objects.
True
False
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Infrared cameras specialise in spotting live organisms because:
(Select all that apply)
Animals are attracted to infrared camera
Animals are warmer than the surrounding environment and therefore emit more infrared radiation
Infrared cameras can detect the infrared radiation emitted by animals
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Infrared r can be used to cook food and heat a room.
Both rely on h metal to a very high t.
The hot metal e a lot of infrared radiation.
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