EM Waves & Atoms (AQA GCSE Physics): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
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 leaves atom with enough energy
Electron leaves atom with enough energy
Ion forms
Origin of gamma rays
Origin of gamma rays
Changes in the nucleus
3 hazardous EM waves
3 hazardous EM waves
UV light, X-rays, gamma rays
UV radiation effects on skin
UV radiation effects on skin
Premature skin aging, increased cancer risk
What type of radiation are X-rays & gamma rays?
What type of radiation are X-rays & gamma rays?
Ionising radiation
Why radio waves travel far
Why radio waves travel far
Long wavelength
Why microwaves reach satellites
Why microwaves reach satellites
Can penetrate atmosphere
What infrared transfers
What infrared transfers
Thermal energy
Why visible light used in fibre optics
Why visible light used in fibre optics
Best reflection/scattering in glass
UV radiation energy property
UV radiation energy property
Least heat but more energy
Why X-rays used for medical imaging
Why X-rays used for medical imaging
High energy, penetrate material easily
Factors affecting radiation hazard
Factors affecting radiation hazard
Type of radiation and size of dose
X-ray & gamma exposure requirement
X-ray & gamma exposure requirement
Minimal exposure