AQA Physics Unit 1

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What is infrared radiation
Infrared radiation is energy transfer by electromagnetic waves
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Do all objects give off (emit) infrared radiation?
All objects emit infrared radiation
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How does infrared radiation depend on the temperature of an object?
The hotter an object is, the more infrared radiation it emits in a given time
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Which surfaces are the best emitters of infrared radiation?
Dark, matt surfaces emit more infrared radiation than light, shiny surfaces
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Which surfaces are the best absorbers of infrared radiation?
Dark, matt surfaces absorb more infrared radiation than light, shiny surfaces
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Which surfaces are the best reflectors of infrared radiation?
Light,shiny surfaces reflect more infrared radiation than dark matt surfaces
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How are solids, liquids and gases different?
Flow, shape, volume and density are the properties used to describe each state of matter
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How are the particles in a solid, liquid and a gas arranged?
The particles in a solid are held next to each other in fixed positions
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Other cards in this set

Card 2

Front

Do all objects give off (emit) infrared radiation?

Back

All objects emit infrared radiation

Card 3

Front

How does infrared radiation depend on the temperature of an object?

Back

Preview of the front of card 3

Card 4

Front

Which surfaces are the best emitters of infrared radiation?

Back

Preview of the front of card 4

Card 5

Front

Which surfaces are the best absorbers of infrared radiation?

Back

Preview of the front of card 5
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