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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.
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संबंधित प्रश्न
An element `""_ZS^A` decays to `""_85R^222` after emitting 2 α particles and 1 β particle.
Find the atomic number and atomic mass of the element S.
Arrange α, β, and γ rays in ascending order with respect to their
1) Penetrating power.
2) Ionising power
3) Biological effect
State the energy conversion taking place in a cathode ray tube
An electromagnetic radiation is used for photography in fog. [2]
(i) Identify the radiation.
(ii) Why is this radiation mentioned by you, ideal for this purpose ?
State three safety precautions that you would take while handling the radioactive substances.
State three common properties of beta rays and cathode rays.
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 ______.
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(Take ln 2 = 0.693)
