Nuclei

Physics
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When two deuterium nuclei fuse together to form a tritium nucleus, we get a

A
neutron
B
deuteron
C
alpha particle
D
proton
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If is atomic weight , is mass number then represents :

A
Mass defect
B
Packing fraction
C
Binding energy
D
Chain reaction
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Which of the following is wrong statement about binding energy ?

A
It is the sum of the rest mass energies of nucleons minus the rest mass energy of the nucleus
B
It is the energy released when the nucleons combine to form a nucleus
C
It is the energy required to break a given nucleus into its constituent nucleons
D
It is the sum of the kinetic energies of all the nucleons in the nucleus
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The difference between the mass of a nucleus and the combined mass of its nucleons is :

A
zero
B
positive
C
negative
D
zero, positive or negative
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What parameter is used to measure the stability of a nucleus?

A
Average binding energy
B
No. of protons
C
No. of neutrons
D
No. of electrons
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The binding energies of a deutron and an -particle are 1.125, 7.2 MeV/nucleon respectively. Which is more stable of the two?

A
deuteron
B
-practicle
C
both
D
sometimes deutron and sometimes -particle
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When the number of nucleons in a nucleus increases, the binding energy per nucleon :

A
increases continuously with mass number
B
decreases continuously with mass number
C
remains constant with mass number
D
first increases and then decreases with increase in mass number
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Bombardment of Beryllium by alpha particles resulted in the discovery of :

A
Proton
B
Nucleus
C
Neutron
D
Positron
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