EM Waves & Atoms (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
📚Flashcards
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14 cards from this deck
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Practise the cards
14 cards from this deck
What happens when electron moves to higher orbit
What happens when electron moves to higher orbit
Atom absorbs EM radiation
What happens when electron falls to lower orbit
What happens when electron falls to lower orbit
Atom emits EM radiation
What forms when electron leaves atom
What forms when electron leaves atom
An ion
Where gamma rays originate from
Where gamma rays originate from
Changes in the nucleus of an atom
Three hazardous EM waves
Three hazardous EM waves
UV light, X-rays, and gamma rays
Two factors affecting radiation hazard effects
Two factors affecting radiation hazard effects
Type of radiation and size of dose
UV radiation health risk
UV radiation health risk
Premature skin aging and increased skin cancer risk
Type of radiation from X-rays and gamma rays
Type of radiation from X-rays and gamma rays
Ionising radiation
Why radio waves travel far without losing quality
Why radio waves travel far without losing quality
Long wavelength
Why microwaves used for satellite communication
Why microwaves used for satellite communication
Can penetrate the atmosphere
What infrared radiation transfers
What infrared radiation transfers
Thermal energy
Use of visible light in communications
Use of visible light in communications
Fibre optics
UV energy and heat characteristic
UV energy and heat characteristic
Radiates least heat but more energy
Why X-rays used for medical imaging
Why X-rays used for medical imaging
Very high energy and penetrate material easily