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Question: Answered & Verified by Expert
Assertion : The binding energy per nucleon, for nuclei with atomic mass number $A>100$ decreases with $A$.
Reason : The nuclear forces are weak for heavier nuclei.
PhysicsNuclear PhysicsAIIMSAIIMS 2006
Options:
  • A If both assertion and reason are true and reason is the correct explanation of the assertion
  • B If both assertion and reason are true but reason is not the correct explanation of the assertion
  • C If assertion is true, but reason is false
  • D Both assertion and reason are false statements.
Solution:
1000 Upvotes Verified Answer
The correct answer is: If both assertion and reason are true but reason is not the correct explanation of the assertion
The decrease in binding energy per nucleon for heavy nuclei $(A>100)$ due to increase in coulomb repulsion between the protons inside the nucleus.

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