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I/GCSE Physics - Electromagnetic Dangers

Edexcel Physics Electromagnetic Dangers

· igcse physics,gcse physics,edexcel,electromagnetic,danger

DANGERS☠️                            

You will have to know the dangers of each one in I/GCSE Physics

  • X-rays and gamma rays can cause mutations to the DNA in cells in the body. This may kill cells or cause Cancer.
  • UV in sunlight can damage skin cells causing Sunburn. Over time exposure to UV can cause skin cancer. UV can also damage the eyes.
  • Infrared radiation transfers heat energy. Too much infrared radiation can cause skin burns.
  • Microwaves heat water-so they can heat water inside our bodies. Heating cells can damage or kill them.
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USES🤣

Gamma rays

  • To sterilise food and medical equipment.
  • In scanners to detect cancer.
  • To treat cancer

X-rays

  • To look inside objects including human bodies
  • In airport security scanners to see what people have in their luggage.

Ultraviolet

  • To detect security marks made using special pens inside fluorescent lamps.
  • To detect forged bank notes (real banknotes have markings that glow in UV light).
  • To disinfect water.

Visible light

  • Allows us to se, lights up rooms, buildings and roads.
  • Photography.

Infrared

  • In cooking.
  • To make thermal images (images using heat) used by police and rescue services.
  • In  short range communications such as between laptops or other small computers.
  • In remote controls for TV's and other appliances where the signal only has to travel short distances.
  • To send information along optical fibres.
  • In security alarms e.g. Burglar alarms to detect people moving around.

Microwaves

  • In mobile phones and to communicate with satellites.
  • For cooking (in microwave ovens).

Radiowaves

  • Broadcasting radio and TV programmes.
  • Communicating with Ships, aeroplanes and satellites.
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Drafted by Catrina (Physics)

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