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Question
In a gravity free space, shape of a large drop of liquid is:
In a gravity free space, shape of a large drop of liquid is:
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Solution
The correct option is A spherical
When we consider molecules inside a liquid surface such as water, in its bulk phase, molecules are attracted in all the directions and cancel out each other. But in the case of a molecule on the surface, there are forces that do not cancel out each other.
This tells us that the force in the liquid acts in the direction of the inner phase and hence, the liquid surface becomes as small as possible. This explains why a droplet in the gravity-free space is spherical.(A sphere has the minimum surface area for a given volume)
When we consider molecules inside a liquid surface such as water, in its bulk phase, molecules are attracted in all the directions and cancel out each other. But in the case of a molecule on the surface, there are forces that do not cancel out each other.
This tells us that the force in the liquid acts in the direction of the inner phase and hence, the liquid surface becomes as small as possible. This explains why a droplet in the gravity-free space is spherical.(A sphere has the minimum surface area for a given volume)
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