6.5 Ultraviolet, Xray And Gamma Flashcards
1
Q
What is fluorescence ?
A
Ultra violet radiation absorbed and visible light emitted
2
Q
How do security pens work ?
A
Under uv light ink will be visible and glow but invisible otherwise
3
Q
What does the sun produce ?
A
Ultraviolet radiation
4
Q
What do uv lamps give ?
A
Artificial suntan
5
Q
What do radiographers do ?
A
Take x rays to check for any broken bones because erstes pass through flesh but not bone
6
Q
Why is X-ray and gamma used for cancer
A
High doses kill all living cells
7
Q
How is gamma used as medical tracer ?
A
Gamma emitting source is injected in patient and progress followed
8
Q
What do radiographers wear?
A
Lead aprons and stand behind lead screen or leave room
