EM Waves & Atoms (AQA GCSE Physics Combined Science): Flashcards
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Practise the cards
15 cards from this deck
Electron moves to higher orbit
Electron moves to higher orbit
Atom absorbs EM radiation
Electron falls to lower orbit
Electron falls to lower orbit
Atom emits EM radiation
Electron leaving atom forms
Electron leaving atom forms
An ion
Where do gamma rays originate?
Where do gamma rays originate?
Changes in the nucleus of an atom
3 hazardous EM waves
3 hazardous EM waves
UV light, X-rays, gamma rays
UV light health risk
UV light health risk
Premature skin ageing, skin cancer risk
X-ray & gamma ray hazard
X-ray & gamma ray hazard
Ionising radiation causes gene mutation, cancer
Radio wave uses
Radio wave uses
TV and radio
Radio wave key property
Radio wave key property
Long wavelength travels far without losing quality
Microwave uses
Microwave uses
Satellite communication, cooking food
Microwave atmosphere property
Microwave atmosphere property
Can penetrate the atmosphere
Infrared wave function
Infrared wave function
Transfers thermal energy
Visible light communication use
Visible light communication use
Fibre optics
X-ray medical imaging property
X-ray medical imaging property
Very high energy, penetrates material easily
UV uses
UV uses
Sun tanning, energy-efficient lamps