Mass-energy and Nuclear Binding Energy

IMPORTANT

Mass-energy and Nuclear Binding Energy: Overview

This topic covers concepts such as Nuclear Mass, Equivalence of Mass and Energy, Equivalent Energy of 1 U Mass, Mass Defect, Binding Energy, Binding Energy per Nucleon, Dependence of Nuclear Stability on Binding Energy per Nucleon, etc.

Important Questions on Mass-energy and Nuclear Binding Energy

EASY
IMPORTANT

The plot of the binding energy per nucleon versus the mass number A for a large number of nuclei,  2A240  is shown in Fig. In which range the binding energy per nucleon is constant?

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EASY
IMPORTANT

The plot of the binding energy per nucleon versus the mass number A for a large number of nuclei,   2A240  is shown in Fig. In which range the binding energy per nucleon is constant?

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EASY
IMPORTANT

Calculate the energy released in MeV in the following nuclear reaction :<

92 238 U   90 234 Th+   2 4 He+Q

[Mass of   92 238 U = 238.05079 u]

Mass of   90 234 Th = 234.043630 u

Mass of   2 4 He  = 4.002600 u

1 u = 931.5 MeV

EASY
IMPORTANT

Calculate the binding energy per nucleon of  20 40 Ca nucleus.

Given:

Mass of  2040Ca=39.962589 u,

Mass of proton =1.007825 u,

1 u=931 MeVc2 and

Mass of neutron=1.008665 u

EASY
IMPORTANT

In the nuclear process, C611B511+β++X, X stands for _______

EASY
IMPORTANT

Binding energy of a nucleus is,

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IMPORTANT

The binding energy per nucleon is maximum in the case of,

MEDIUM
IMPORTANT

If an H-nucleus is completely converted into energy, the energy produced will be around

EASY
IMPORTANT

Define:

Binding energy of electron

HARD
IMPORTANT

Calculate binding energy for Fe2656 nucleus. [Given, atomic mass of Fe2656 =55.9349 u, mass of neutron =1.00867 u, mass of proton =1.00783 u and u=931 MeV/c2]

HARD
IMPORTANT

Explain mass effect and binding energy? Explain the main conclusions which can be drawn from the binding energy per nucleon versus mass number diagram.

EASY
IMPORTANT

Which of the following nucleus having highest binding energy per nucleon:

MEDIUM
IMPORTANT

The average binding energy per nucleon(in MeV) of Nb4193 having mass 92.906376 u is n. Write the value of n, where  denotes the greatest integer function.

(Given mp=1.0072796 umn=1.008665 u and 1 u=931 MeV/c2 )

MEDIUM
IMPORTANT

Let mp be the mass of proton, mn the mass of a neutron, M1 the mass of a Ne1020 nucleus, and M2 the mass of a Ca2040 nucleus. Then,

EASY
IMPORTANT

Mass defect ΔM is always

MEDIUM
IMPORTANT

Energy in electron volt corresponding to Compton wavelength 0.0242  is

EASY
IMPORTANT

The mass defect in a particular nuclear reaction is 0.3 g. The amount of energy liberated in kilowatt hour is (velocity of light =3×10m/s)

EASY
IMPORTANT

The binding energy per nucleon is maximum in the case of

HARD
IMPORTANT

Ne  10  20 2He4+  2He4+ 6C12

If binding energy per nucleon of Ne  10  20 is 8.03 MeV,  2He4 is 7.07 MeV and  6C12 is 7.86 MeV, then what is Qin MeV value of the reaction

MEDIUM
IMPORTANT

A nucleus XZA has mass represented by mA, Z . If mp and mn denote the mass of proton and neutron respectively and BE the binding energy (in MeV) then,