Q.
The general form of potential energy curve for atoms or molecules can be represented by the following equation $U(R) = \frac{A}{R^{n}} - \frac{B}{R^{m}}$. Here, $R$ is the interatomic or molecular distance, $A$ and $B$ are coefficients, $n$ and $m$ are the exponents. In the above equation
A) First term represents the attractive part of the potential
B) Second term represents the attractive part of the potential
C) Both terms represents the attractive part of the potential
D) Second term represents the repulsive part of the potential
Explanation
(b) $U(R) = \frac{A}{R^{n}} - \frac{B}{R^{m}}$
The negative potential energy ($2^{nd}\ $part) is the attractive
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.