Half-Life Answers

7 verified answers
1
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Which statements are correct about Becquerel (Bq) and Gray (Gy) units? Check all that apply.

A
Gray units measure the number of disintegrations of radioactive atoms over a period of time.
B
Gray units measure the radiation dose absorbed by any material.
C
Becquerel units measure the radiation dose absorbed by biological tissue.
D
Becquerel units measure emitted radiation.
E
Gray units measure radiation dose.
F
Gray units measure biological risk.
3

Film sensitive to radiation that is removed and developed to measure exposure

A
Geiger counters
B
scintillation counters
C
both
D
neither
6

Which statements describe film badges? Check all that apply.

A
an amplifying device that indicates the presence of ionizing particles
B
a device that permits determination of the concentration of radioisotopes in the body or other substance
C
film sensitive to radiation that is removed and developed to measure exposure
D
a device used for monitoring individual cumulative exposure to ionizing radiation
7

Which of these phrases is correlated with sieverts? Check all that apply.

A
one disintegration per second
B
one joule of energy per kilogram of matter
C
number of disintegrations of radioactive atoms over a period of time
D
radiation dose absorbed by any material
E
radiation dose absorbed by biological tissue
F
measurement of emitted radiation
G
measurement of radiation dose
H
measurement of biological risk

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