Context
The Bhabha Atomic Research Centre (BARC) has published a study, which has found that ‘background radiation’levels are nearly three times more than what’s been assumed in the State of Kerala.
About
Findings of the report:
1 Gray is equivalent to 1 Sievert, though one unit refers to radiation emitted and the other to biological exposure. |
About the Background Radiation:
Radon is a gas that can concentrate indoors and be inhaled, along with its decay products. |
The International Atomic Energy Agency (IAEA) specifies maximum radiation exposure levels and this has also been adopted by India’s atomic energy establishment. |
Source of background radiations:
Natural Source: Natural sources, such as the earth, air, building materials, and food, provide the majority of background radiation. Cosmic rays from outer space also contain radiation.
Artificial Source: Human activity, on the other hand, has increased background radiation by building and employing artificial radiation sources.
Factors affecting Background radiation:
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