Physics
To study the age of excavated materials of archeological significance, we study the rate of decay of an isotope of :
- uranium
- cobalt
- carbon
- chlorine
Radioactivity
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Answer
carbon
Reason — To study the age of excavated materials of archeological significance, we study the rate of decay of an isotope of carbon. The process is known as carbon dating.
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Related Questions
Out of the following, radioactive substances are :
- Uranium
- Polonium
- Actinium
- All of the above
The heaviest nuclear radiation is :
- X radiation
- α radiation
- γ radiation
- β radiation
A radioactive nucleus emits a beta particle. The position of daughter nucleus in the periodic table as compared to the parent nucleus after emitting a beta particle is :
- at the same place
- one place higher
- one place lower
- two places lower
The speed of γ radiations is :
- of the order of 106 ms-1
- of the order of 107 ms-1
- equal to the speed of light, i.e. 3 x 108 ms-1
- none of the above