Dangers and uses (AQA GCSE Physics): Flashcards
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Practise the cards
15 cards from this deck
Higher frequency EM waves have...
Higher frequency EM waves have...
Shorter wavelengths and carry more energy
EM spectrum order (low to high freq)
EM spectrum order (low to high freq)
Radio→Microwave→IR→Visible→UV→X-ray→Gamma
Most dangerous type of EM wave
Most dangerous type of EM wave
Gamma rays
How gamma rays harm body cells
How gamma rays harm body cells
Cause DNA mutations, kill cells, or cause cancer
Danger of X-rays in large amounts
Danger of X-rays in large amounts
DNA mutations, cell death, or cancer
Long-term danger of UV rays
Long-term danger of UV rays
Skin cancer and eye damage
Type of energy carried by infrared
Type of energy carried by infrared
Thermal energy (heat)
How microwaves harm cells
How microwaves harm cells
Heat water molecules, damage or kill cells
Gamma rays use in sterilisation
Gamma rays use in sterilisation
Sterilise food and medical equipment
Medical use of gamma rays (treatment)
Medical use of gamma rays (treatment)
Treat cancer by targeting cancer cells
Main medical use of X-rays
Main medical use of X-rays
Medical imaging (see inside body, broken bones)
Use of UV for water safety
Use of UV for water safety
Disinfect water by killing germs
Use of infrared in household devices
Use of infrared in household devices
Remote controls for TVs and other devices
Use of microwaves in communication
Use of microwaves in communication
Mobile phone communication
Use of radio waves
Use of radio waves
Broadcasting radio and TV programmes