Plutonium-239, recovered from dismantled atomic weapons, undergoes simultaneous alpha and gamma decay. Sensors on the outside of containers used to store plutonium-239 can indicate how much radioactive material is contained by monitoring the gamma rays emitted by the material. A particular container holds 80.0 kg of plutonium waste. The half-life of plutonium-239 is 2.4 x 10 years. When a plutonium-239 atom decays, it emits a gamma photon that has 1.8 x 10% eV of energy and an alpha particle that has a characteristic speed of 1.58 x 107 m/s. Which of the following diagrams shows the orientation of the momenta of the alpha particle and the gamma photon that must result in the maximum impulse of the plutonium-239 nucleus? A. C. Y Y B. D. Y

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A: Result             5.43 MeV Solution

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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.