Question

Which of the following are true regarding film badges in personal dosimetry?

a. The film is highly energy dependent because of the intensifier

b. The film has two different emulsions on each side

c. The film can detect beta radiation and radioactive splash

d. The aluminium filter will stop beta particles and the cadmium filter stops alpha particles

e. As the film provides a permanent record of exposure, it can be used for more than 6 months

Answer 1

a. False. The film is highly energy dependent because of the high atomic number of silver and bromide. There is no intensifier in the film badge dosimeter.

b. True.

c. True.

d. True.

e. False. The film is subject to environmental effe