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Standard XII

Chemistry

Factors Affecting Vapour Pressure

A viscous liq...

Question

A viscous liquid flows through a uniform tube. As we move from the axis of the tube towards its wall, the speed of the liquid relative to the tube

increases from zero to maximum value

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decreases from maximum value to zero

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remains same throughout the cross section

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increases from zero to a maximum value on one side and decreases from a maximum value to zero on the other side.

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Solution

The correct option is B decreases from maximum value to zero
A opposing friction force acts on the particles of liquid which is in contact with the walls of tube and this force is move than between liquid molecules itself so, velocity of liquid will decrease to zero as we move from centre to wall.

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A viscous liquid flows through a uniform tube. As we move from the axis of the tube towards its wall, the speed of the liquid relative to the tube

The correct option is B decreases from maximum value to zeroA opposing friction force acts on the particles of liquid which is in contact with the walls of tube and this force is move than between liquid molecules itself so, velocity of liquid will decrease to zero as we move from centre to wall.

The correct option is B decreases from maximum value to zero
A opposing friction force acts on the particles of liquid which is in contact with the walls of tube and this force is move than between liquid molecules itself so, velocity of liquid will decrease to zero as we move from centre to wall.