The half life of238 92 U undergoing alpha decay is 4.5 * 109 years. What is the activity of 1g sample of238 92U ?
Kindly refer to the link given below for an answer to a similar query :
https://www.meritnation.com/ask-answer/question/1g-sample-of-radon-222-is-taken-the-half-life-of-radon-is-3/nuclei/8718287
https://www.meritnation.com/ask-answer/question/1g-sample-of-radon-222-is-taken-the-half-life-of-radon-is-3/nuclei/8718287