Question : Cobalt therapy is the medical use of rays from the radioisotope cobalt-60 to treat conditions such as cancer.
Option 1: alpha
Option 2: beta
Option 3: gamma
Option 4: Ultraviolet
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Correct Answer: gamma
Solution : The correct answer is gamma .
The medicinal application of gamma rays from the radioisotope cobalt-60 to treat diseases like cancer is known as cobalt treatment. Cobalt-60 was first widely used in external beam radiation (teletherapy) devices in the 1950s. These machines created a gamma-ray beam that was directed into the patient's body to destroy tumour tissue.
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