Practicing Success
Practicing Success
CUET Preparation Today
| Radioactive elements like tritium and plutonium are produced artificially. Which of the following is the best reason for this? |
They were decayed by gamma emission. They are short-lived. They were decayed by positronium emission. They are long range. |
| They are short-lived. |
| Elements like tritium and plutonium are short-lived. Their half life is much less than the age of the universe (~13.9 bn yrs) and so they are decayed long ago and are no more found in nature. |
