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प्रश्न
What is stellar energy?
उत्तर
A fusion reaction that takes place in the cores of the Sun and other stars results in an enormous amount of energy, which is called stellar energy.
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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.
What is nuclear fission? Explain with an example. Write the equation of the nuclear reaction involved.
Which of the following can be produced during the nuclear fission as well as nuclear fusion reactions?
(a) protons
(b) deutrons
(c) electrons
(d) neutrons
One MeV of nuclear energy is equivalent to:
(a) 1.6 × 10−13 J
(b) 1.6 × 10−19 J
(c) 1.6 × 10−16 J
(d) 1.6 × 10−15 J
List any four characteristics of a good fuel.
An element P has an atomic mass of 239 and an atomic number of 92. It
emits a beta particle forming an element Q. Q can be represented by
Write the problems associated with hydroelectric power projects.
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 reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
