Stellar Nucleosynthesis and Life Cycle of Stars

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Questions and Answers

What is the process by which Nitrogen-13 is transformed into Carbon-13?

  • Neutron capture
  • Beta decay (correct)
  • Alpha decay
  • Proton capture

How is Nitrogen-14 formed from Carbon-13?

  • By proton capture (correct)
  • By alpha decay
  • By beta decay
  • By neutron emission

What is the next step after Nitrogen-14 is formed?

  • Nitrogen-14 undergoes beta decay to form Carbon-14
  • Nitrogen-14 captures a proton to form Oxygen-15 (correct)
  • Nitrogen-14 fuses with another Nitrogen-14 to form Oxygen-16
  • Nitrogen-14 captures a neutron to form Nitrogen-15

How is Nitrogen-15 formed from Oxygen-15?

<p>Oxygen-15 undergoes beta decay (D)</p> Signup and view all the answers

What is the final product when Nitrogen-15 fuses with a proton?

<p>Helium-4 and Carbon-12 (C)</p> Signup and view all the answers

In which type of star does the tri-alpha process occur?

<p>Red giant star (C)</p> Signup and view all the answers

What is the process by which three Helium-4 nuclei are converted into Carbon?

<p>Tri-alpha process (C)</p> Signup and view all the answers

What happens to a star as it accumulates more mass and continues to grow into a red supergiant?

<p>It undergoes alpha particle fusion at its core to create heavier elements (B)</p> Signup and view all the answers

What is the process known as the 'Alpha ladder'?

<p>The process of forming elements heavier than Iron through alpha particle fusion (A)</p> Signup and view all the answers

How are elements heavier than Iron formed?

<p>Through neutron capture (D)</p> Signup and view all the answers

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