Given below are two statements: one is labelled as Assertion \(A\) and the other is labelled as Reason \(R\) Assertion \(A:\) The binding energy per nucleon is practically independent of the atomic number for nuclei of mass number in the range \(30\) to \(170\). Reason \(R\) : Nuclear force is short ranged. In the light of the above statements, choose the correct answer from the options given below on

1. A Both \(A\) and \(R\) are true but \(R\) is NOT the correct explanation of \(A\)
2. B \(A\) is true but \(R\) is false
3. C \(A\) is false but \(R\) is true
4. D Both \(A\) and \(R\) are true and \(R\) is the correct explanation of \(A\)