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What is Maximum permissible dose of radiation exposure for human beings is:- and explain in detail?
Radiation exposure: Maximum permissible radiation exposure for humans: 5 rad per person per year ; in pregnancy = 0.5 rad/p/yr. Total natural radiation received by human = 0.1 rad/p/yr. State receiving highest solar radiation is Rajasthan. Thickness of lead apron to prevent exposure - >= 0.5 mm. Radiation exposure in Chernobyl tragedy - Cs, I2 and Sr. Occupational exposure - Effective dose shouldn't exceed 20 mSv/year. General Public exposure - Effective dose shouldn't exceed 1 mSv/year.