Which two sources are used to produce gamma rays for food processing?

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Multiple Choice

Which two sources are used to produce gamma rays for food processing?

Explanation:
Gamma rays used in food processing come from sealed radioactive sources that emit photons as they decay. The two sources most commonly employed for this purpose are cobalt-60 and cesium-137. Cobalt-60 provides high-energy gamma photons (1.17 and 1.33 MeV), which penetrate deeply and allow uniform dose delivery in bulk or packaged foods. Cesium-137 has a longer half-life and emits a 0.662 MeV gamma ray, offering a reliable, long-lasting source for similar irradiation equipment. Uranium-238 is not used as a standard gamma source for food irradiation in practice.

Gamma rays used in food processing come from sealed radioactive sources that emit photons as they decay. The two sources most commonly employed for this purpose are cobalt-60 and cesium-137. Cobalt-60 provides high-energy gamma photons (1.17 and 1.33 MeV), which penetrate deeply and allow uniform dose delivery in bulk or packaged foods. Cesium-137 has a longer half-life and emits a 0.662 MeV gamma ray, offering a reliable, long-lasting source for similar irradiation equipment. Uranium-238 is not used as a standard gamma source for food irradiation in practice.

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