The potential-energy function for a diatomic molecule is

PHYSICS · Single correct · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

The potential-energy function for a diatomic molecule is U(x)=ax12−bx6U(x)=\frac{a}{x^{12}}-\frac{b}{x^6}. In stable equilibrium, the distance between the particles is (1) (2ab)1/6\left(\frac{2a}{b}\right)^{1/6} (2) (ab)1/6\left(\frac{a}{b}\right)^{1/6} (3) (b2a)1/6\left(\frac{b}{2a}\right)^{1/6} (4) (ba)1/6\left(\frac{b}{a}\right)^{1/6}

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