Easy· Radioactivity and decay law· +4 / −1
In the following nuclear reaction,
the mass number of is and its atomic number is . The mass number and atomic number of respectively will be :
The half life of a radioactive substance is 5 years. After x years a given sample of the radioactive substance gets reduced to 6.25\% of…
JEE Mains 2022 June 29 Shift 2 · Easy
The activity of a radioactive material is 2.56×10^-3\ Ci . If the half life of the material is 5 days, after how many days the activity…
JEE Mains 2022 June 29 Shift 1 · Easy