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प्रश्न
When a neutron is bombarded on an atom of uranium, ____________ neutrons generated in this process.
पर्याय
1
2
3
4
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उत्तर
When a neutron is bombarded on an atom of uranium, 3 neutrons generated in this process.
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संबंधित प्रश्न
State whether the fission of uranium-235 is caused by low energy neutrons or high energy neutrons.
What is nuclear fusion? Explain with an example. Write the equation of the reaction involved.
Why are very high temperatures required for fusion to occur?
In the nuclear reactor of a power plant:
how do control rods control the rate of fission?
Calculate the energy released in joules when 5 g of a material is completely converted into energy doing a nuclear reaction.
Which of the following is used as a moderator in the reactor of a nuclear power station?
(a) liquid sodium
(b) boron
(c) graphite
(d) carbon dioxide
A nuclear reaction is represented by the following equation:
`""_92^235U+_0^1n-> _56^139Ba+_36^94Kr+xc+E`
Identify the particle c and the number x of such particles produced in the reaction.
The mass numbers of four elements A, B, C and D are 2, 20, 135 and 235, respectively. Which one of them will be most suitable to make:
a hydrogen bomb?
A nuclear reactor has half the length of all its control rods inserted in graphite. What must be done so that the reactor produces more heat? Explain your answer.
Give scientific reasons.
The construction of turbine is different for different types of power plants.
What do you mean by nuclear energy? What is responsible for its release?
An imaginary radioactive element `"_92X^235` decays to form X1; X2; X3; X4; X5 and X6 nuclides, by ejecting two β-particles, followed by α-particles and again two β-particles, followed by α-particle. Represent the various nuclear changes in the form of an equation. State the mass number and atomic number of X6. List the isotopes and isobars in the above nuclear equation.
A nucleus `"_11Na^24` emits a beta particle to change into Magnesium (Mg).
(i) Write the symbolic equation for the process.
(ii) What are numbers 24 and 11 called?
(iii) What is the general name `"_12^24Mg` with respect to `"_11^24Na`?
What will an alpha particle change into when it absorb two electrons.
A certain nucleus X has a mass number 14 and atomic number 6. The nucleus X changes to `"_7Y^14` after the loss of a particle. Represent this change in the form of an equation.
Hydroelectric power station : Water stored in dams : : Nuclear power station : ____________
In nuclear power plants, the chain reaction cannot be controlled.
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
Copy and complete the nuclear reaction by filling in the blanks.
\[\ce{_92U^235 + _0n^1 -> _56Ba^{\underline{\phantom{....}}} + \underline{\phantom{..}}Kr^92 + 3 _0n^1}\]
Give a scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
