The potential energy of a diatomic molecule is given by $U$ = $\frac{A}{r^{12}} - \frac{B}{r^6}$.$A$ and $B$ are positive constants. The distance $r$ between them at equilibrium is
The potential energy of a diatomic molecule is given by $U$ = $\frac{A}{r^{12}} - \frac{B}{r^6}$.$A$ and $B$ are positive constants. The distance $r$ between them at equilibrium is
- A
$(\frac{A}{B})^\frac{1}{6}$
- B
$(\frac{2A}{B})^\frac{1}{6}$
- C
$(\frac{A}{2B})^\frac{1}{6}$
- D
None of these
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