Physics
Out of the following, radioactive substances are :
- Uranium
- Polonium
- Actinium
- All of the above
Related Questions
Out of the following, which element has the largest number of isotopes ?
- Hydrogen
- Carbon
- Chlorine
- Tin
3919K and 4020Ca are :
- Isotopes
- Isobars
- Radioactive substances
- Isotones
The heaviest nuclear radiation is :
- X radiation
- α radiation
- γ radiation
- β radiation
To study the age of excavated materials of archeological significance, we study the rate of decay of an isotope of :
- uranium
- cobalt
- carbon
- chlorine