Infrared radiation

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What are the best absorbers of thermal radiation?
Black, dull surfaces
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What are the worst emitters of thermal radiation?
Light, shiny surfaces
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What is infrared radiation a form of and how fast does it travel?
It is a form of electromagnetic wave and it travels at the speed of light.
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What type of camera can you detect radiation with?
A thermogram
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Name 5 ways heat energy can be transferred.
Convection,conduction,condensation,evaporation and radiation.
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How much radiation does a object hotter than its surroundings emit compared to the amount of absorption?
An object that's hotter than its surroundings emits more radiation than it absorbs. Likewise, an object that's cooler than its surrounding absorbs more radiation than it emits.
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Which colour loses heat more quickly, black or white?
Black
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Other cards in this set

Card 2

Front

What are the worst emitters of thermal radiation?

Back

Light, shiny surfaces

Card 3

Front

What is infrared radiation a form of and how fast does it travel?

Back

Preview of the front of card 3

Card 4

Front

What type of camera can you detect radiation with?

Back

Preview of the front of card 4

Card 5

Front

Name 5 ways heat energy can be transferred.

Back

Preview of the front of card 5
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