Cobalt 60 a radioisotope of Cobalt is widely used for which of the following 1 Treat conditions such...........

General Science (Easy) Physics

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Cobalt-60, a radioisotope of Cobalt is widely used for which of the following:

1. Treat conditions such as cancer

2. Gamma sterilization of medical products

3. Radioactive dating

Choose the correct answer from the codes provided below:

1 only

2 only

1 and 2 only

1, 2 and 3

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Explanation:

Cobalt therapy or cobalt-60 therapy is the medical use of gamma rays from the radioisotope cobalt-60 to treat conditions such as cancer. Gamma radiation is widely used for sterilization of medical products. Cobalt-60 is the main isotope used since it is an energetic gamma emitter. Half life of cobalt 60 is only 5.26 years and thus it can‘t be used for radio-active dating.