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प्रश्न
Which produces more energy : nuclear fusion or nuclear fission?
उत्तर
Nuclear fusion. The energy released by fusion is three to four times greater than the energy released by fission.
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संबंधित प्रश्न
The calorific value and ignition temperature of fuel A are 55 kJ/g and 80°C, respectively. These values for fuel B are 80 kJ/g and 10°C, respectively. On burning, the fuel A produces CO2 and H2O while the fuel B produces CO2 , CO and SO2. Give three points of relative and disadvantages of these two fuels.
Fill in the following blank with suitable word:
In a nuclear power station, nuclear fission takes place in the .............
The following question are about the nuclear reactor of a power plant.
Which isotope of uranium produces the energy in the fuel rods?
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
A nuclear reaction is represented by the equation:
`""_1^2H+_1^2H->_2^3He+xc+E`
What type of nuclear bomb is based on similar reactions?
One isotopes of uranium has a mass number of 235 and atomic number 92.
(a) What is the number of electrons in a neutral atom of this isotope?
(b) How many protons are there in the nucleus of this isotope?
(c) For another isotope of Uranium state which one of the numbers (238 or 92) changes?
(d) What is the number of protons in 238U?
What is the effect on the atomic mass and the atomic number of a radioactive element, after the emission of an α-particle?
When a neutron is bombarded on an atom of uranium, ____________ neutrons generated in this process.
Copy and complete the nuclear reaction by filling in the blanks.
\[\ce{_92U^235 + _0n^1 -> _56Ba^{\underline{\phantom{....}}} + \underline{\phantom{..}}Kr^92 + 3 _0n^1}\]
