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The source of stellar energy is
- a)Nuclear fission
- b)Nuclear fusion
- c)Excitation of electrons
- d)Thermionic emission
Correct answer is option 'B'. Can you explain this answer?
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The source of stellar energy isa)Nuclear fissionb)Nuclear fusionc)Exci...
Stellar energy is due to nuclear fusion. The mass defect from nuclear fusion of hydrogen into helium is the source of stellar energy.
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The source of stellar energy isa)Nuclear fissionb)Nuclear fusionc)Exci...
Stellar Energy Source: Nuclear Fusion
Nuclear fusion is the process by which multiple atomic nuclei join together to form a heavier nucleus, releasing a large amount of energy in the process. This is the source of energy for stars, including our sun.
Process of Nuclear Fusion in Stars:
- In the core of a star, hydrogen atoms are fused together to form helium.
- This process releases a tremendous amount of energy in the form of light and heat.
- The energy produced by nuclear fusion is what keeps a star shining and provides the heat and light necessary for life on planets like Earth.
Comparison with Nuclear Fission:
- Nuclear fission, on the other hand, involves the splitting of heavy atomic nuclei into lighter nuclei, releasing energy in the process.
- While nuclear fission is used in nuclear power plants on Earth, it is not the primary source of energy for stars.
Importance of Nuclear Fusion in Stellar Energy:
- Nuclear fusion is the dominant energy-producing process in stars, including our sun.
- It is a sustainable source of energy that powers stars for billions of years.
- Understanding nuclear fusion in stars is crucial for our understanding of stellar evolution and the universe as a whole.
In conclusion, nuclear fusion is the primary source of stellar energy, providing the heat and light that sustains life on planets orbiting stars like our sun.
Nuclear fusion is the process by which multiple atomic nuclei join together to form a heavier nucleus, releasing a large amount of energy in the process. This is the source of energy for stars, including our sun.
Process of Nuclear Fusion in Stars:
- In the core of a star, hydrogen atoms are fused together to form helium.
- This process releases a tremendous amount of energy in the form of light and heat.
- The energy produced by nuclear fusion is what keeps a star shining and provides the heat and light necessary for life on planets like Earth.
Comparison with Nuclear Fission:
- Nuclear fission, on the other hand, involves the splitting of heavy atomic nuclei into lighter nuclei, releasing energy in the process.
- While nuclear fission is used in nuclear power plants on Earth, it is not the primary source of energy for stars.
Importance of Nuclear Fusion in Stellar Energy:
- Nuclear fusion is the dominant energy-producing process in stars, including our sun.
- It is a sustainable source of energy that powers stars for billions of years.
- Understanding nuclear fusion in stars is crucial for our understanding of stellar evolution and the universe as a whole.
In conclusion, nuclear fusion is the primary source of stellar energy, providing the heat and light that sustains life on planets orbiting stars like our sun.
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The source of stellar energy isa)Nuclear fissionb)Nuclear fusionc)Excitation of electronsd)Thermionic emissionCorrect answer is option 'B'. Can you explain this answer?
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