Gadolinum-153, which is used to detch osteoprosis, half a half-life of 242days. Which value is closet to the percentage of the `Gd-153` left in a patient's system after 2 years (730days)?

Gadolinium- 153 , which is used to detect osteoporoiss, has a life of 242 days. After how many days, on an average, a nuclide can be conisdered absent form patient's system?

Gadolinium- 153 , which is used to detect osteoporoiss, has a life of 242 days. After how many days, on an average, a nuclide can be conisdered absent form patient's system?

Half life of a radioactive element is 10 days. What percentage of the element will remain undecayed after 100 days?

Gadolinium-153 is used in the detection of osteoporosis disease of bones. Half-life of gadolinium-153 is 500 days. After how many days, on an average, the nuclide can be considered absent from the body of patients ?

A radioactive element has a half life of one day. After three days the amount of the element left will be :