Radioactive Wastes and Pollution MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET
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Radioactive waste
- Initially, nuclear energy was hailed as a non-polluting way for generating electricity.
- Later on, it was realised that the use of nuclear energy has two very serious inherent problems.
- The first is accidental leakage, as occurred in the Three Mile Island and Chernobyl incidents.
- The second is safe disposal of radioactive wastes.
- Radiation that is given off by nuclear waste is extremely damaging to biological organisms, because it causes mutations to occur at a very high rate.
- At high doses, nuclear radiation is lethal but at lower doses, it creates various disorders, the most frequent of all being cancer.
- Therefore, nuclear waste is an extremely potent pollutant and has to be dealt with utmost caution.
- It has been recommended that storage of nuclear waste, after sufficient pre-treatment, should be done in suitably shielded containers buried within the rocks, about 500 m deep below the earth’s surface.
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