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The force of interaction between two atoms in certain diatomic molecules can be represented by F = a/r 2 + b/r 3 in which a and b are positive constants and r is the separation distance of the atoms. Make a graph o F versus r. Then (a) show that the separation at equilibrium is b/a; (b) show that for small oscillations about this equilibrium separation the force constant is a 4 /b 3 ; (c) find the period of this motion.

The force of interaction between two atoms in certain diatomic molecules can be represented by F = a/r2 + b/r3 in which a and b are positive constants and r is the separation distance of the atoms. Make a graph o F versus r. Then (a) show that the separation at equilibrium is b/a; (b) show that for small oscillations about this equilibrium separation the force constant is a4/b3; (c) find the period of this motion.

Grade:10

1 Answers

Deepak Patra
askIITians Faculty 471 Points
7 years ago
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