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JEE Mains Model Paper 9

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Question : 20

Total: 90

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

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 = ∞) − Uat‌equilibrium]. D is

b2
2a
b2
21a
b2
4a
b2
6a

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