Question

2) Answer in brief.
1) Why is the surface tension of paints
lubricating oils kept low?
i) How much amount of work is done
forming a soap bubble of radius r?
iii) What is the basis of the Bernoulli's
principle?​

Answer 1

Answer:

sorry I don't know the answer I just want some points

Answer 2

Explanation:

The surface tension of the lubricating oils and paints is kept low because it can spread over large areas easily and faster