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:
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.