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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-9

  • question_answer
    The damage of the human body due to radiation (X-rays or y-rays etc.) is measured in :

    A) Rems

    B)                    Roentgen

    C) Curie                            

    D) Rads

    Correct Answer: A

    Solution :

    In the case of damage to human body due to radiation, the most important factor is the amount of the dose - the amount of energy actually de- posited in the body. The absorbed radiation dose, the amount of energy absorbed per gram of body tissue, is usually measured in units called rads. Another unit of radation is the rem, or roentgen equivalent in man. For practical purposes. 1 rad (absorbed dose) = 1 rem or 1000 mrem (dose equivalent) (Source: United States Nuclear Regu- latory Commission).


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