Difference between revisions of "Absorb (physics)"
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: Black [[object]]s '''absorb''' [[light]] increasing their [[Thermal Energy Store|thermal energy store]]. | : Black [[object]]s '''absorb''' [[light]] increasing their [[Thermal Energy Store|thermal energy store]]. | ||
: Soft [[object]]s '''absorb''' [[sound]] increasing their [[Thermal Energy Store|thermal energy store]]. | : Soft [[object]]s '''absorb''' [[sound]] increasing their [[Thermal Energy Store|thermal energy store]]. | ||
| + | : The [[colour]] of an [[object]] is caused by some [[frequency|frequencies]] of [[light]] being '''absorbed''' while others are [[reflected]]. | ||
Revision as of 13:38, 19 February 2019
Key Stage 3
Meaning
Absorption is when the energy being transferred by a wave is taken into an energy store of a material.
Key Stage 4
Meaning
Absorption is when the energy being transmitted by a wave is taken into an energy store of a material.
About Absorption
- When a wave is absorbed the wave ceases to exist and the energy being transmitted by that wave increases an energy store of the absorbing material.
- Absorption happens at the interface between two media.
- Black objects absorb light increasing their thermal energy store.
- Soft objects absorb sound increasing their thermal energy store.
- The colour of an object is caused by some frequencies of light being absorbed while others are reflected.