Question

Explain these terms related to surface tension of liquid

1) molecular range
2) sphere of influence


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Answer 1

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⭐️⭐️⭐️ ANSWER ⭐️⭐️⭐️

⏩⏩ 1) molecular range - maximum distance upto which a molecule can exert attractive forces on other molecule.

2) sphere of influence - an imaginary sphere drawn with a molecule as a centre and molecular range as its radius.

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Answer 2

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$\large\red{Molecular\: Range:}$

The Maximum distance up to which a molecule can exert Attractional Force is called Molecular Range.

For Solids and liquids, it's in the order of $10^{-9}$

$\large\red{Sphere\: of\: Influence:}$

If a particular Molecule is considered as center,
and a sphere drawn around the molecule by taking Molecular range as radius, the sphere is said to be Sphere of Influence.

Here, the Central Molecule exerts Attractional Force on all the molecules within the sphere of Influence.

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