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Chapter 11: Q2CQ (page 517)
Question:How is it that a high binding energy is a low energy?
Answer
The nucleus is harder to be broken apart, that is to say, the nucleus is more stable and at a lower energy state.
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The semi empirical binding energy formula predicts the binding energies of neon-20, iron- 56, and uranium-238 within about 1\%. Make a table whose rows are the three isotopes, whose first four columns are numerical values of the four tennis in the formula, whose next four columns are each of these terms divided byA, and whose final column is the sum of the preceding four. Discuss in some detail what the table reveals.
At what speed would a particles lave to be directed at gold foil if some are to contact gold nuclei?
In both D-D reactions in equation (11-18). Two deuterons fuse to produce two particles, a nucleus of and a free nucleon. Mass decreases because the binding energy of theA=3nucleus is greater than the combined binding energies of the two deuterons. The binding energy of helium-4is even greater still. Why can't the deuterons simply fuse into a helium-4nucleus and nothing else? Why must multiple particles be produced?
How much Kinetic energy released and what is the daughter nucleus in the decay of nitrogen-13?
Calculate the net amount of energy released in the deuterium-tritium reaction,.
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