Cobalt-60 is commonly used in radiation therapy because it emits (a) alpha rays (b) beta rays
Cobalt-60 is commonly used in radiation therapy because it emits
(a) alpha rays (b) beta rays (c) gamma rays (d) X-rays
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(c) Cobalt-60 is useful as a gamma ray source because it can be produced in predictable quantity and high activity by bombarding cobalt with neutrons. This is commonly used in radiation therapy for treatment of cancer.
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