The potential energy function for the force between two atoms in a diatomic molecule is approximately given by U(x)=\frac{a}{x^{12}}-\frac{b}{x^6}, where a and b are constants and x is the distance between the atoms. If the dissociation energy of the molecule is D= [U(x=\infty)-U_{\text{at equilibrium }}] , D is [AIEEE 2010]

AIEEE 2010 Solved Paper

Section: Physics

Question : 34 of 89

Marks: +1, -0

The potential energy function for the force between two atoms in a diatomic molecule is approximately given by U(x)=‌

x12

−‌

, where a and b are constants and x is the distance between the atoms. If the dissociation energy of the molecule is D=[U(x=∞)−U‌at equilibrium ‌],D is

[AIEEE 2010]

‌
b2
2a
‌
b2
12a
‌
b2
4a
‌
b2
6a

Validate

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