Assertion: Binding energy per nucleon is nearly constant for element in the range A = 30 to A = 170 Reason: The nuclear force between two nucleons falls rapidly to zero as their distance is more than a few femtometres

Question

Assertion: Binding energy per nucleon is nearly constant for element in the range A = 30 to A = 170 Reason: The nuclear force between two nucleons falls rapidly to zero as their distance is more than a few femtometres (A) If both assertion and reason are true and reason is the correct explanation of assertion. (B) If both assertion and reason are true but reason is not the correct explanation of assertion. (C) If assertion is true but reason is false. (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

The nuclear force between two nucleons falls rapidly to zero as their distance is more than a few femtometers. This leads to saturation of forces in a medium or a large-sized nucleus, which is the reason for the constancy of the binding energy per nucleon

Q. Assertion : Binding energy per nucleon is nearly constant for element in the range A=30 to A=170 Reason : The nuclear force between two nucleons falls rapidly to zero as their distance is more than a few femtometres

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false.

If both assertion and reason are false

The nuclear force between two nucleons falls rapidly to zero as their distance is more than a few femtometers. This leads to saturation of forces in a medium or a large-sized nucleus, which is the reason for the constancy of the binding energy per nucleon

Q. Assertion : Binding energy per nucleon is nearly constant for element in the range $A = 30$ to $A = 170$
Reason : The nuclear force between two nucleons falls rapidly to zero as their distance is more than a few femtometres