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प्रश्न
State any two precautions to be taken while handling radioactive substances.
Give two important precautions that should be taken while handling radioactive materials.
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उत्तर
The two safety precautions to be taken while handling radioactive substances are (any two):
- Radioactive substances should be kept in thick lead containers with a very narrow opening so as to restrict the radiations coming out from other directions.
- Radioactive materials should be handled with long lead tongs.
- People working with radioactive substances should put on special lead-lined aprons and lead gloves.
संबंधित प्रश्न
A radiation X is focused by a particular device on the bulb of a thermometer and mercury in the thermometer shows a rapid increase. Name the radiation X
Under which conditions does the nucleus of an atom tend to radioactive?
What do you mean by Mass number.
Give the relative ionizing power of α, β and γ radiations.
State any two uses of cathode rays.
It is advised not to touch a radioactive substance by hand. Give reason.
Unit of radioactivity is _______
The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be ______.
Two radioactive sources A and B of half lives of 1 hour and 2 hours, respectively, initially contain the same number of radioactive atoms. At the end of two hours, their rates of disintegration are in the ratio of ______.
