Physics-Mass-Energy Relation
NEET Physics Mass-Energy Relation Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 12
Assertion (A): The mass defect of a nucleus can be converted into binding energy using Einstein's mass-energy relation. | Reason (R): The binding energy per nucleon is constant across all nuclei.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false.
Correct Answer
Option C
Detailed Explanation
The assertion is true because the mass defect is converted into binding energy using the relation ΔEb = ΔM c². The reason is false as the binding energy per nucleon is nearly constant only in the mass number range A = 30 to 170, not across all nuclei.
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