Physics GCSE
travel through a vacuum
What travel through a vacuum means in Physics GCSE, as defined for AQA.
Definition of travel through a vacuum
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Reference: AQA
Electromagnetic waves need no particles, so they can travel through a vacuum, which is how energy from the Sun reaches the Earth.
Topics that use travel through a vacuum
- Types of electromagnetic waves (AQA GCSE)
Related terms
- continuous spectrum
- detectors
- energy stores
- energy transfer
- infrared
- long to short wavelength
- order of the spectrum
- red to violet
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