Physics-
General
Easy

Question

The given plot shows the variation, the potential energy (U) of interaction between two particles with the separating distance (r) between them. Which of the above statements are correct?

1) B and D are equilibrium points
2) C is a point of stable equilibrium points
3) The force of interaction between the two particles is attractive between points C and D and repulsive between points D and E on the curve

  1. 1 and 3    
  2. 1 and 4    
  3. 2 and 4    
  4. The force of interaction between the particles is repulsive between points E and F on the curve.    

The correct answer is: 2 and 4

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