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Questions  

The curves for potential energy (U) and kinetic energy (Ek) of a two particle system are shown in figure. At what points the system will be bound?

a
Only at point D
b
Only at point A
c
At point D and A
d
At points A, B and C

detailed solution

Correct option is B

The system will be bound at points where total energy is negative. In the given curve at point A only , magnitude of potential energy is more than  the magnitude of kinetic energy .

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