A liquid does not wet the sides of a solid if the angle of contact 'θ' is .

0°

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0°< θ <90°

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90°< θ <180°

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90°

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Solution

The correct option is C 90°< θ <180°
A liquid does not wet the sides of a solid if the angle of contact 'θ' is 90°< θ <180°

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Similar questions

\begin{matrix} Meniscus & Angle of contact & Level (A) Concave & (i) θ > 90^{\circ} & (a) Fall (B) Plane & (i i) θ < 90^{\circ} & (b) No rise or fall (C)Convex & (i i i) θ = 90^{\circ} & (c) Rise \end{matrix}

If $sin θ = cos θ$ , $0 ⩽ θ ⩽ 90^{\circ}$
$(a) 30^{\circ}$
$(b) 45^{\circ}$
$(c) 60^{\circ}$
$(d) 90^{\circ}$

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