1.

Consider a bowl filled with water on which some black pepper powder have been sprinkled uniformly. Now a drop of liquid soap is added at the centre of the surface of water. The picture of the surface immediately after this will look like

Answer»

Correct option  (C)

Explanation:

due to soap bubble surface tension is reduced therefore in that area. Black paper powder will sink. 



Discussion

No Comment Found

Related InterviewSolutions