What is the shape when a non-wetting liquid is placed in a capillary tube

Concave upward

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Convex upward

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Concave downward

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Convex downward

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Solution

The correct option is B
Convex upward

Since for such liquid (Non-wetting) angle of contact is obtuse.

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Q. A glass capillary tube is lowered vertically into liquid in a vessel.
Match the column.

\begin{matrix} Column 1 & Column 2 Meniscus observed & Liquid level in capillary tube A) Concave & (i) Ascends B) Convex & (ii) Descends C) Flat & (iii) Neither ascends nor descends \end{matrix}

S_{1} :

f (x)

is an increasing function with downward concavity, then concavity of

f^{- 1} (x)

is upwards.

S_{2} :

f (x)

is decreasing function with downward concavity, then concavity of

f^{- 1} (x)

is upwards.

A boy is standing in front of and close to a special mirror. He finds the image of his head bigger than normal, the middle part of his body of the same size, and his legs smaller than normal. The special mirror is made up of three types of mirrors in the following order from top downwards : (a) Convex, Plane, Concave (b) Plane, Convex, Concave (c) Concave, Plane, Convex (d) Convex, Concave, Plane

Q. A glass capillary tube is lowered vertically into liquid in a vessel.
Match the column.

\begin{matrix} Column 1 & Column 2 Meniscus observed & Liquid level in capillary tube A) Concave & (i) Ascends B) Convex & (ii) Descends C) Flat & (iii) Neither ascends nor descends \end{matrix}

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What is the shape when a non-wetting liquid is placed in a capillary tube

The correct option is B Convex upward Since for such liquid (Non-wetting) angle of contact is obtuse.

The correct option is B
Convex upward

Since for such liquid (Non-wetting) angle of contact is obtuse.