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A particular radioactive source produces 150 mrad of 2 MeVgamma rays per hour at a distance of 1.0 m.
(a) How long could a person stand at this distance before accumulating an intolerable dose of 1 rem?
h
(b) Assuming the gamma radiation is emitted uniformly in alldirections, at what distance would a person receive a dose of5 mrad/h from this source?
m
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A jet is circling an airport control tower at a distance of 16km. An observer in the tower watches the jet cross in front of the moon. As seen from the tower, the moon subtends an angle of 9.50x10-3 radians. Find out the distance traveled (in mete..
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