1. What was the effect of the type of shielding on alpha particles? What kinds of materials would provide sufficient protection for a person working with alpha-emitting sources? 2. What were the effects of shielding on beta particles by cardboard? Estimate the percent of the radiation that passed through one sheet of cardboard. Through two sheets. What thickness of cardboard would be necessary to block 99% of the radiation? 3. Answer question 2 for aluminum. What kind of measures might one take when working with beta-emitting sources? 4. What kind of shielding is effective against gamma rays? What percentage of the gamma radiation passes through four sheets of lead? Would this provide adequate shielding?
1. What was the effect of the type of shielding on alpha particles? What kinds of materials would provide sufficient protection for a person working with alpha-emitting sources?
2. What were the effects of shielding on beta particles by cardboard? Estimate the percent of the radiation that passed through one sheet of cardboard. Through two sheets. What thickness of cardboard would be necessary to block 99% of the radiation?
3. Answer question 2 for aluminum. What kind of measures might one take when working with beta-emitting sources?
4. What kind of shielding is effective against gamma rays? What percentage of the gamma radiation passes through four sheets of lead? Would this provide adequate shielding?
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