The potential energy U between two molecules as a function of the… - Vidyadip

MCQ

The potential energy U between two molecules as a function of the distance r between them has been shown in the adjoining figure. The two molecules are:

A
Attracted when r lies between A and B and repelled when r lies between B and C.
B
Attracted when r lies between B and C and repelled when r lies between A and B.
C
Attracted when they reach B.
D
Repelled when they reach B.

✓

Answer

Attracted when r lies between B and C and repelled when r lies between A and B.

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