Machinery to control rollers Figure 1
Complete the following sentences using words from the list below.
greater
longer
shorter
smaller
thinner
thicker
a) The count rate of the detector tube would decrease if the metal foil became
b) By increasing the pressure on the right-hand pair of rollers, the metal foil would become
c) If the detector reading increased, the pressure of the rollers would need to be made
The thickness of the metal foil would then become
d) If the half-life of the radioactive source was much
the detector reading would
gradually decrease without any change of the thickness of the metal foil.