Civil Services TNPSC Group 1 (New Syllabus) Mock Test 2025 General Knowledge Science Technology and Inventions
Which of carbon isotope is radioactive and is used for radio-carbon dating?
1
\({}_{}^{13}C\)
2
\({}_{}^{14}C\)
3
\({}_{}^{13}C\) and \({}_{}^{14}C\)
4
\({}_{}^{12}C\)