49. A certain isotope 14C of arbon occurs in living organisms in a fixed proportion to ordinary carbon. When that organism dies, its 14C decays exponentially, and its half-life is 5,730 years. Assume that a piece of charcoal from a wood fire was found in the cave contains only 9% of 14C expected in the corresponding piece of wood in a live tree. How long ago was the wood burned to form that charcoal? a. 19,806 years c. 19,606 years b. 19,706 years d. 19,906 years
Nuclear Fusion
Nuclear fusion is a type of nuclear reaction. In nuclear fusion, two or more than two lighter atomic nuclei combine to form a heavier nucleus. During this process, an enormous amount of energy is released. This energy is called nuclear energy. Nuclear fusion is the energy source of the sun and stars.
Fusion Bomb
A fusion bomb is also known as a thermonuclear bomb or hydrogen bomb which releases a large amount of explosive energy during a nuclear chain reaction when the lighter nuclei in it, combine to form heavier nuclei, and a large amount of radiation is released. It is an uncontrolled, self-sustaining nuclear chain reaction where isotopes of hydrogen combine under very high temperature to form helium. They work on the principle of operation of atomic fusion. The isotopes of Hydrogen are deuterium and tritium, where they combine their masses and have greater mass than the product nuclei, get heated at high temperatures, and releases energy.
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49. A certain isotope 14C of arbon occurs in living organisms in a fixed proportion to ordinary carbon.
When that organism dies, its 14C decays exponentially, and its half-life is 5,730 years. Assume that
a piece of charcoal from a wood fire was found in the cave contains only 9% of 14C expected in the
corresponding piece of wood in a live tree. How long ago was the wood burned to form that charcoal?
a. 19,806 years c. 19,606 years
b. 19,706 years d. 19,906 years
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