WorksheetsPGTRB PHY UNIT 9
Total questions: 15
Worksheet time: 8mins
In maintaining the chain reaction the ratio between escape rate and production rate is directly proportional to
r^2
r^-2
r^-3
1/r
Cyclotron can accelerate
Only negative ions
Only positive ions
Only fermions
Negative and positive ions
The energy of the proton accelerated by proton synchrotron is of the order of
Million eV
Billion eV
Kilo eV
Trillion eV
According to collective model the shape and quadrupole moment of odd - odd nuclei are respectively
Spherical and finite
Non spherical and zero
Spherical and zero
Non spherical and finite
The energy of the proton accelerated by proton synchrotron is of the order of
Million eV
Billion eV
Kilo eV
Trillion eV
The diffusion equation is also called
Critical equation
Geiger Mittal equation
Maxwell's equation
Fermi age equation
For measuring high energy gamma rays with good accuracy one should use
GM counter
Proportional counter
Ionization chamber
Scintillation counter
The nuclear process in which the law of conservation of energy is violated is
Alpha decay
Beta decay
Gamma decay
Fission
A
B
C
D
Bubble chamber uses
Super heated liquid
Super saturated liquid
Super heated vapour
Super saturated vapour
The phenomenon of nuclear fission can be explained by
Shell model
Liquid drop model
Collective model
None of these
The mirror nuclei are identical with
Number of proton and neutrons interchanged
One electron replaced by a proton
Same numbers of proton proton pair
Same number of neutron neutron pair
If the bainding energy of deuterium is 2.23 MeV, it's mass defect is
0.024MeV
-0.0012 MeV
0.0012 MeV
0.0024 MeV
A
B
C
D
Which of the following is not used as a moderator in a nuclear reactor
Water
Heavy water
Beryllium
Aluminum
