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प्रश्न
What is the source of energy of sun or stars?
उत्तर
The source of energy in the sun and stars is the nucleus fusion of light nuclei such as hydrogen present in them in their inner parts. This takes place at a very high temperature and high pressure, due to which a helium nucleus is formed with the release of a high amount of energy.
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संबंधित प्रश्न
One of the following is not a characteristic of a good fuel. This is:
(a) high calorific value
(b) no emission of smoke
(c) smooth burning
(d) high ignition temperature
Fill in the following blank with suitable word:
In a nuclear power station, nuclear fission takes place in the .............
In the nuclear reactor of a power plant:
how do control rods control the rate of fission?
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
Explain with diagram step-by-step energy conversion in Nuclear Power Plant.
Give scientific reason.
The construction of turbine is different for different types of power plants.
State the energy conversion taking place in a solar cell.
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Find the number of protons and neutrons in its nucleus.
Write the demerits of a nuclear energy plant.
Atomic power plant in Maharashtra is ______.
