Related Questions

In nuclear fission each neutron that causes fission releases
A No new neutron
B At least one new neutron
C One new neutron
D More than one new neutron
Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called
A Strain
B Stress
C Pressure
D Modulus of elasticity
An element having large number of __________ is most easily subjected to nuclear fission.
A Protons
B Electrons
C Neutrons
D Nucleons
A fission chain reaction in uranium can be developed
A By increasing the contents of U235
B By slowing down fast neutrons so that U235 fission continues by slow neutron
C Both (A) and (B)
D None of these
A fission chain reaction in uranium can be developed by
A Slowing down fast neutrons so that Uz fission continues by slow motion neutrons
B Accelerating fast neutrons
C Absorbing all neutrons
D Using moderator
Which of the following accounts for the maximum energy release in the nuclear fission process?
A Kinetic energy of fission products
B Radioactive decay of fission products
C Instantaneous release of γ-rays
D Kinetic energy of neutrons
In triggering fission, the following types of neutrons are desirable
A Fast moving
B Slow moving
C Critical neutrons
D Neutrons at rest
In triggering fission, which types of neutrons are more effective?
A Fast
B Slow
C In bulk
D Static
In which of these mitosis is missing and the cell divided by binary fission?
A Prokaryotes
B Eukaryotes
C Arthropdes
D All of these
Which statement is not associated with nuclear fission?
A Neutron-induced nuclear reaction
B Energy generation in stars
C Source of energy in nuclear reactor that produces electricity
D Enormous energy is released in an atom bomb

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