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x X x x x x 18 19 10 Radioactive sample Lead shielding Detectors FIGURE VII.2 XII X

x X x x x x 18 19 10 Radioactive sample Lead shielding Detectors FIGURE VII.2 XII X

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A researcher has placed a sample of radioactive material in an enclosure and blocked all emissions except those that travel in a particular direction, creating a beam of radiation. The beam then passes through a uniform magnetic field, as shown, before reaching a bank of detectors. Only three of the detectors record significant signals, so the researcher deduces that the particles coming from the source have taken three different paths, illustrated in the figure, and concludes that the sample is emitting three different kinds of radiation. Assume that the emitted particles move with similar speeds.

What type of radiation is detected by detector 4?
A. Alpha         B. Beta-minus         C. Beta-plus         D. Gamma

x X x x x x 18 19 10 Radioactive sample Lead shielding Detectors FIGURE VII.2 XII X
Transcribed Image Text:x X x x x x 18 19 10 Radioactive sample Lead shielding Detectors FIGURE VII.2 XII X
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