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A radioactive source, which emits beta-particles, is used as shown in Fig. 12.1 to detect whether
cartons on a conveyor belt have the required volume of pineapple juice in them.
(a)
State why an alpha-emitting source would not be suitable for this application.
....

w g ie
detector
SCSE
PINEAPPLE
hge ning etaete
The feery hercheie of leta
Sor
Seum
S gingyour reon which of these souneshemot ue tor thappcaon

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