Related Questions

Radioactive solid nuclear wastes are disposed off by
A High temperature incineration
B Pathological incineration
C Pyrolysis
D Underground burial in concrete containers
240 radioactive grams of goo loses half its radioactivity every 10 days. How many grams of radioactive goo is left in 40 days?
A 120
B 60
C 15
D none
The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then
A $${\frac{3}{4}^{{\text{th}}}}$$ of it will disintegrate in two months
B It will completely disintegrate in two months
C It will completely disintegrate in four months
D $${\frac{l}{8}^{{\text{th}}}}$$ of it will remain intact at the end of four months
Which is the most difficult environmentally to dispose of?
A floppy drives
B hard drives
C power supplies
D CRTs
E system boards
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