Related Questions

A moderator, apart from its high neutron slowing power, and low non-productive neutron, should be
A Stable under nuclear radiation
B Corrosion resistant
C Good thermal conductor
D All of these
In β-decay of radioactive material, the ratio of neutron to proton
A Increases
B Remains same
C Decreases
D Is unpredictable; may increase or decrease
What is the difference between the kinds of charges for an electron and a proton?
A An electron has a positive charge and a proton has no charge
B An electron has a positive charge and a proton has a negative charge
C An electron has a negative charge and a proton has a positive charge
D An electron has a negative charge and a proton has no charge
E None of the above
An electron has a mass that is approximately __________ that of the proton.
A 1/1836
B 1
C 1836
D none of the mentioned
The ratio of mass of proton to that of electron is nearly
A 1840
B 1480
C 30
D 4
If electron flows in right direction, proton seems to flow-.
A Leftward
B Rightward
C Upward
D Downward
A free electron is a valence electron that has broken away from its parent atom.
A True
B False
Who indirectly determined the mass of the electron by measuring the charge of the electron?
A Thomson
B Millikan
C Rutherford
D Einstein
Which of the following reactors is operated at high neutron flux and low power level?
A Breeder reactor
B Research reactor
C Heterogeneous reactor
D Liquid metal (e.g., molten sodium) cooled reactor
Critical energy should be __________ the neutron binding energy of the atom in order to initiate a nuclear fission.
A less than
B equal to
C either more or less
D more than

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