Atomic and Nuclear Physics

Atomic and Nuclear Physics
Protons, electrons and neutrons are collectively referred to as:
nucleons
deutrons
atoms
positrons
Author: rikazzz Comment
Atomic and Nuclear Physics
The greatest power of ionization is in
alpha particles
gamma particles
beta particles
none of above
Author: rikazzz Comment
Atomic and Nuclear Physics
A stream of high energy electrons is the
alpha radiation
gamma radiation
beta radiations
no radiations
Author: rikazzz Comment
Atomic and Nuclear Physics
Radiations burn mainly due to
alpha radiations
beta radiations
gamma radiations
beta and gamma radiations
Author: rikazzz Comment
Atomic and Nuclear Physics
Nuclei which do not emit radiations naturally are called
unstable nuclei
stable nuclei
positive nuclei
negative nuclei
Author: rikazzz Comment
Atomic and Nuclear Physics
A helium nucleus comprising of two protons and two neutrons with a charge of 2e is
beta particle
gamma particle
alpha particle
negative particle
Author: rikazzz Comment
Atomic and Nuclear Physics
The phenomenon by which radiations split matter into negative and positive ions is called
ionization
radiation
transmutation
radioactivity
Author: rikazzz Comment
Atomic and Nuclear Physics
Alpha (α) particles are helium (He) nucleus with a charge of
e
2e
3e
4e
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Atomic and Nuclear Physics
When a heavy nucleus such as U-235 splits or fissions into two smaller nuclei by absorbing a small moving neutron, there takes place a
nuclear fission
nuclear power
nuclear transmutation
nuclear fusion
Author: rikazzz Comment
Atomic and Nuclear Physics
The number of protons in the nucleus is called
neutron number (N)
atomic number (Z)
atomic mass number (A)
electron number (E)
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