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प्रश्न
The control rods used in the reactor of a nuclear power plant are made of:
(a) steel
(b) graphite
(c) uranium
(d) boron
उत्तर
boron
Boron is used in the control rods as it absorbs neutrons.
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संबंधित प्रश्न
Fill in the following blank with suitable word:
Nuclear .......... is used in nuclear power stations for the production of electricity.
One eV (electron volt) of nuclear energy is equivalent of:
(a) 1.6 × 10−14 J
(b) 1.6 × 10−12 J
(c) 1.6 × 10−19 J
(d) 1.6 × 10−13 J
The disposal of waves produced in a nuclear power plant poses a big problem because it is:
(a) too heavy
(b) highly inflammable
(c) extremely foul smelling
(d) highly radioactive
A nuclear reaction is represented by the equation:
`""_1^2H+_1^2H->_2^3He+xc+E`
State two conditions under which such a reaction takes place.
List any four characteristics of a good fuel.
State, giving reason, whether the following nuclear decay are allowed or not?
\[\ce{_Z^AP -> _{Z-2}^AY + _2^4He}\]
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Find the number of electrons in the neutral atom of this isotope.
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Mention the relationship between 92U235 and 92U238.
Hydroelectric power station : Water stored in dams : : Nuclear power station : ____________
Thermal power generation : Air pollution : : Nuclear power generation : _____________
