Medium· Nuclear size and composition· +4 / 0
Nuclear mass and size of nucleus of an element are 64 and 4.8 femtometer. If size of nucleus of element is 4 femtometer then its nuclear mass will be then = ?
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
In the following nuclear reaction, D\ α\ D_1\ β^-\ D_2\ α\ D_3\ γ\ D_4 the mass number of D is 182 and its atomic number is 74 . The mass…
JEE Mains 2022 June 29 Shift 2 · Easy
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