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प्रश्न
In nuclear power plants, the chain reaction cannot be controlled.
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
Compare and contrast bio-mass and hydro electricity as sources of energy.
Name the moderator used in a nuclear reactor.
Fill in the following blank with suitable word:
Splitting of a heavy nucleus into two lighter nuclei is called ........
Fill in the following blank with suitable word:
Uranium-235 atoms will split when hit by .......... This is called ...........
What is nuclear fusion? Explain with an example. Write the equation of the reaction involved.
Name one installation where such a process is utilised.
Which of the two, nuclear fusion and nuclear fusion, is made use of:
(1) for the production of electricity?
(2) for making a hydrogen bomb?
How much is this energy in MeV? (Speed of light = 3 × 108 m/s)
A nuclear reaction is represented by the following equation:
`""_92^235U+_0^1n-> _56^139Ba+_36^94Kr+xc+E`
Name one installation where the above nuclear reaction is utilised.
A nuclear reaction is represented by the equation:
`""_1^2H+_1^2H->_2^3He+xc+E`
What does E represent?
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?
How does the position of an element change in the periodic table when it emits out a beta particle?
A certain nucleus X has a mass number 15 and atomic number 7. Find the number of neutrons. The nucleus X losses one β-particle and Express the change and write the symbol of the new nucleus.
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.
Do all isotopes have the same number of neutrons?
Which is the process used to harness nuclear energy these days? Explain it briefly.
When neutron is bombarded on atom of Uranium-235, it absorbs the neutron and converts into ______.
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
