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Question

Hairs of shaving brush cling together when it is removed from water due to


A

Force of attraction between hair

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B

Surface tension

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C

Viscosity of water

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D

Characteristic property of hairs

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Solution

The correct option is B

Surface tension


When the brush is taken out of water, the hairs cling together due to surface tension. This happens because the free surface of water tries to acquire a minimum surface area.


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