Physics Flashcards
What are two medical uses for infrared radiation
Finding breast cancer and deep vein thrombosis
What are three non medical uses for infrared radiation
Night vision (to catch criminals), To find people in smoke and collapsed buildings, Infrared astronomy- can pass through dust, e.g in a nebula
What is inferred radiation also known as
Heat radiation
What type of radiation is ultraviolet
An electromagnetic radiation
What kind of cancer can ultraviolet radiation give you
Skin cancer
What are two medical uses of ultraviolet radiation
It’s used to treat skin conditions like psoriasis and it is also used for people who don’t have enough vitamin D in their body
What are two non medical use of a ultraviolet radiation
Using fluorescent chemicals to make security working on banknotes that are visible in UV radiation, it helps to find out if a note is forged or not and invisible pens or glow in the dark paint
What are x rays detected by and what does it do
It is detected by photographic film and it makes photographic film black
Why shouldn’t you have too many x rays
They can damage or kill living cells in our bodies
What do X-ray staff wear to protect themselves
Led aprons
How can you see bones on x-rays
Because bones absorb x-rays so the x-rays don’t have go through tothe photographic film which is why it stays white
What medical use do x rays have
They detect broken bones
Name 3 non-medical ways x rays are used
They are used airports to find metal objects, in astronomy because some objects give out x rays and used in industry to make sure metal parts have been welled together properly and aren’t cracked
What material absorbs a lot of gamma rays
Lead
What are 3 safety precautions you should use when you are around the gamma rays
Use tongs to handle sources of gamma rays, don’t point sources of gamma rays towards people and store sources of gamma rays in lead boxes
