WorksheetsWilson cloud chamber nuclear physics
Total questions: 10
Worksheet time: 5mins
The total decay rate of any radioactive nuclide is called the (a) of that nuclide
The substance used for slowing down the neutrons in a nuclear reactor is called (a)
A stable nuclei has in general
odd number of protons and neutrons
odd number of protons and even number of neutrons
even number of protons and neutrons
equal number of protons and neutrons (both odd or even)
The energy equivalent of one atomic mass unit is
931.5eV
931.05eV
931.5KeV
931.5MeV
901.5MeV
The amount of energy released from nuclear fission depends on the
I. critical mass
II. speed of light in vacuum
III. mass deficit
I. and II. only
I. and III. only
II. and III. only
All the answer is correct
The size of the nucleus is about
1 fermi
1 femtometer
10^-15m
all of the options
Final product after electron capture by nucleus
atomic number reduces by 2 and mass number reduces by 4
atomic number increases by 1 and mass number remains unchanged
atomic number decreases by 1 and mass number remains unchanged
No change in atomic number and mass number
The picture shows which phenomena
β decay
photoelectric effect
pair production
none of the above
1 Ci =
3.74 ×104 rd
106 Bq
1 decay per second
Which particle is liberated in this process?
α
β−
γ
β+
