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The potential energy between two atoms i...

The potential energy between two atoms in a molecule is given by `U(x)= (a)/(x^(12))-(b)/(x^(6))`, where a and b are positive constants and x is the distance between the atoms. The atom is in stable equilibrium when

A

`x=(a)/(b)`

B

`x=sqrt((a)/(b))`

C

`x=(sqrt(3a))/(b)`

D

`x= root(6)(((2a)/(b)))`

Text Solution

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The correct Answer is:
D
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