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Standard VIII

Chemistry

Surface Tension

Inside a drop...

Question

Inside a drop excess pressure is maximum in :-

0.200

μ m

diameter

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20.0

μ m

diameter

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200

μ m

diameter

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2.0

μ m

diameter

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Solution

The correct option is A 0.200 $μ m$ diameter
The excess pressure inside a drop is given by the expression,

$δ P = \frac{2 T}{R}$

Therefore the excess pressure is inversely proportional to the radius of the drop.

Hence, the smaller the drop the more will be the excess pressure inside it.

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Inside a drop excess pressure is maximum in :-

The correct option is A 0.200 μm diameterThe excess pressure inside a drop is given by the expression,δP=2TRTherefore the excess pressure is inversely proportional to the radius of the drop. Hence, the smaller the drop the more will be the excess pressure inside it.

The correct option is A 0.200 $μ m$ diameter
The excess pressure inside a drop is given by the expression,

$δ P = \frac{2 T}{R}$

Therefore the excess pressure is inversely proportional to the radius of the drop.

Hence, the smaller the drop the more will be the excess pressure inside it.