Physics
Out of the following, radioactive substances are :
- Uranium
- Polonium
- Actinium
- All of the above
Radioactivity
18 Likes
Answer
All of the above
Reason — All three elements listed—uranium, polonium, and actinium—are radioactive substances. They undergo radioactive decay, emitting radiation in the form of alpha particles, beta particles, or gamma rays
Answered By
10 Likes
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