Question

is the surface tension of one big drop lesser than many small drops of the same liquid?​

Answer 1

Answer:

Droplets of liquid are usually more spherical in shape than large drops of the same liquid.

Answer 2

Explanation:

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The shape of the liquid is actually controlled by two forces viz. surface tension and gravitational force. When size of drop is small, surface tension and force > gravitational force, which means net force is due to surface tension. In this case, PE is minimum when the surface area is minimum. So, the drop is spherical.

When the size of the drop is larger, gravitational force > surface tension. It means net force is due to gravitational force. In this case, gravitational PE is minimum when centre of gravity of the drop at the minimum. So, the drop is no more spherical.