Nucleosynthesis in Stars (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is nucleosynthesis?
What is nucleosynthesis?
Fusion of smaller nuclei into larger ones
In Einstein's equation , what does represent?
In Einstein's equation , what does represent?
Speed of light
What happens to the mass defect during nuclear fusion?
What happens to the mass defect during nuclear fusion?
Converted into energy
Why does iron represent a critical limit in stellar nucleosynthesis?
Why does iron represent a critical limit in stellar nucleosynthesis?
Fusing iron requires energy input
Up to what core temperature does the proton-proton chain dominate in stars?
Up to what core temperature does the proton-proton chain dominate in stars?
18 million Kelvin
What percentage of the Sun's energy comes from the proton-proton chain?
What percentage of the Sun's energy comes from the proton-proton chain?
85%
How many gamma rays does the CNO cycle produce compared to the proton-proton chain?
How many gamma rays does the CNO cycle produce compared to the proton-proton chain?
Three instead of two
What element is found at the core of massive Post-Main Sequence stars?
What element is found at the core of massive Post-Main Sequence stars?
Iron
How are elements heavier than iron created?
How are elements heavier than iron created?
During supernovas
What unusual property do neutrinos have?
What unusual property do neutrinos have?
Interact with matter very rarely