P1 1.2 SURFACES AND RADIATION
- Created by: tgillmore
- Created on: 22-02-14 19:13
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- P1 1.2 SURFACES AND RADIATION
- Which surfaces are the best EMITTERS of radiation?
- Rescue teams use light shiny surfaces to keep accident survivors warm
- DARK, MATT SURFACES ARE BETTER AT EMITTING RADIATION THAN LIGHT, SHINY SURFACES
- Which surfaces are the best ABSORBERS and REFLECTORS of radiation?
- When you use a photocopier, IR from a lamp dries the ink on the paper
- Black ink absorbs more than white paper
- A light, shiny surfaces absorbs less radiation that a dark, matt surface
- A matt surface has lots of cavities
- The radiation reflected from the matt surface hits the surface again
- The radiation reflected from the shiny surface travels away from the surface
- When you use a photocopier, IR from a lamp dries the ink on the paper
- LIGHT, SHINY SURFACES ABSORB LESS RADIATION THAN DARK, MATT SURFACES
- LIGHT, SHINY SURFACES REFLECT MORE RADIATION THAN DARK, MATT SURFACES
- Which surfaces are the best EMITTERS of radiation?
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