GK
NUCLEAR SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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8, 740 Years
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3, 689 Years
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5, 730 Years
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2, 165 Years
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Detailed explanation-1: -The half-life of Carbon 14, that is, the amount of time it takes for half of any amount of Carbon 14 to decay, is approximately 5730 years. Suppose we have a preserved plant and that the plant, at the time it died, contained 10 micrograms of Carbon 14 (one microgram is equal to one millionth of a gram).
Detailed explanation-2: -Carbon-14 has a half-life of 5, 730 ± 40 years-i.e., half the amount of the radioisotope present at any given time will undergo spontaneous disintegration during the succeeding 5, 730 years.
Detailed explanation-3: -The half-life for radioactive decay of C-14 is 5730 years.
Detailed explanation-4: -The time it takes for 14C to radioactively decay is described by its half-life. C has a half-life of 5, 730 years. In other words, after 5, 730 years, only half of the original amount of 14C remains in a sample of organic material. After an additional 5, 730 years–or 11, 460 years total–only a quarter of the 14C remains.
Detailed explanation-5: -The isotope Carbon-14 has a half-life of 5, 730 years.