Mass Defect and Binding Energy

Author:Embibe Experts
NEET
IMPORTANT

Important Questions on Mass Defect and Binding Energy

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The above is a plot of binding energy per nucleon Eb, against the nuclear mass Mi, A, B, C, D, E correspond to different nuclei. Consider four reactions:

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(i) A+BC+ε
(ii) CA+B+ε.
(iii) D+EF+ε and
(iv) FD+E+ε,
where ε is the energy released. In which reactions ε positive?

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C611 undergoes a decay by emitted $\beta^{+}$ then write its complete equation Given the mass value of m611=11,011434u1mB115=11.009305umθ=0.000548u and 1u=931.5MeV c-2 Calculate the Q-value of reaction.

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If MA, ZMp and Mn denote the masses of the nucleus AX, proton and neutron respectively in units of u1u=931.5 MeV c-2 and BE represents its binding energy in MeV, then

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Helium nuclei combine to form an oxygen nucleus. The energy released in the reaction is if mO=15.9994 amu and mHe=4.0026 amu

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The dynamic mass of electron having rest mass m0 and moving with speed 0.8c is

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In a fission reaction, the average binding energy per nucleon of X and Y is 8.5 MeV whereas that of U236 is 7.6 MeV. The total energy liberated will be about U236X117+Y117+n+n

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Mn and Mp represent the mass of neutron and proton, respectively. An element having mass M and N neutron, Z-protons, then the correct relation will be

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The binding energy per nucleon v/s mass number curve for nuclei is shown in the figure. W, X, Y and Z are four nuclei indicated on the curve. The process that would release energy is:

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The figure shows a plot of binding energy per nucleon (B.E./A) vs mass number A for nuclei. Four nuclei, P, Q, R and S are indicated on the curve. The process that would release energy is

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Mp and MN are masses of proton and neutron, respectively, at rest. If they combine to form a deuterium nucleus. The mass of the nucleus will be

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Binding energy per nucleon is of the order of -

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If MO is the mass of an oxygen isotope O817,Mp and MN are the masses of a proton and a neutron, respectively, the nuclear binding energy of the isotope is 

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If MO is the mass of an oxygen isotope O817, Mp and Mn are the masses of a proton and a neutron, respectively, the nuclear binding energy of the isotope is

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The binding energies of two nuclei Pn and Q2n and x and y joules. If 2x>y then the energy released in the reaction Pn+PnQ2n, will be

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Mass-energy equation E=mc2 was given by

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In the reaction H12+H13He24+n01, if binding energies of H12, H13 and He24 are respectively a, b and c (in MeV), then the energy released in this reaction is:

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A fission reaction is given by U92236Xe54140+Sr3894+x+y where x and y are two particles. Considering U92236 to be at rest, the kinetic energies of the products are denoted by KXe, KSr, Kx(2MeV) and Ky(2 MeV), respectively. Let the
binding energies per nucleon of U92236,Xe54140 and Sr3894 be 7.5 MeV, 8.5 MeV and 8.5 MeV, respectively. Considering different conservation laws, the correct option(s) is(are)

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The masses of nucleus, neutrons and protons are M, mn and mp, respectively. If the nucleus has been divided into neutrons and protons, then,