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Choose the correct statement....

Choose the correct statement.

A

Terminal velocities of rain drops are proportional to square of their radii

B

Water proof agents decrease the angle of contact between water and fibres

C

Detergents increase the surface tension of water

D

Hydraullic machines work on the principle of Torricelli's law

Text Solution

Verified by Experts

The correct Answer is:
A
Terminal velocities of raindrops are proportional to square of their radii.
So, option (a) is correct.
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