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प्रश्न
What is binding energy of a nucleus? Give its expression.
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उत्तर
when Z protons and N neutrons combine to form a nucleus, mass equal to mass defect disappears and the corresponding energy is released. This is called the binding energy of the nucleus (BE) and is equal to (∆m) c2.
BE = (Zmp + Nmn – M ) c2
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संबंधित प्रश्न
Mp denotes the mass of the proton and Mn denotes mass of a neutron. A given nucleus of binding energy B, contains Z protons and N neutrons. The mass M (N, Z) of the nucleus is given by(where c is the speed of light)
A radioactive nucleus (initial mass number A and atomic number Z) emits 2α and 2 positrons. The ratio of a number of neutrons to that of protons in the final nucleus will be ______.
A radiative element has N0 number of nuclei at t = 0. The number of nuclei remaining after half of a half-life (that is, at time t = `1/2 "T" _(1/2)`).
Define the ionization energy.
Define the ionization potential.
Write a general notation of the nucleus of element X. What each term denotes?
What is isotope? Give an example.
Define atomic mass unit u.
Give the physical meaning of binding energy per nucleon.
Explain the variation of average binding energy with the mass number using a graph and discuss about its features.
