Question : What is the name of that technique,which uses radioactivity to decide the period of materials of pre-historic period?
Option 1: Radium dating
Option 2: Uranium dating
Option 3: Carbon dating
Option 4: Deuterium dating
Correct Answer: Carbon dating
Solution : The correct option is Carbon dating.
The process of using radiation to establish the age of prehistoric items is known as "radiocarbon dating" or "carbon dating." This approach estimates the age of organic materials by using the decay of radioactive carbon isotopes. It specifically examines the decay of carbon-14 (14C) to determine how long the substance has been in a live body.
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