The height of the liquid column raised in a capillary tube of certain… | MHT CET 2026 (12 May, Shift 2)

Q1MHT CET 2026 · 12 MAY · SHIFT 2Easy

Angle of Contact & Capillarity

The height of the liquid column raised in a capillary tube of certain radius when dipped in liquid $A$ vertically is $5$ cm. If the same tube is dipped in similar way in another liquid $B$ of surface tension and density double the values of liquid $A$ , the height of liquid column raised in liquid $B$ is (Assume that angle of contact for both the liquids is almost same)

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Answer: (c)

Capillary rise $h = \frac{2T\cos\theta}{r\rho g} \propto \frac{T}{\rho}$ for the same tube and same $\theta$ .
Both $T$ and $\rho$ double, so $\frac{T}{\rho}$ is unchanged: $h_B = h_A = 5\text{ cm}$ .
So the answer is (c) $0.05\text{ m}$ .

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Angle of Contact & Capillarity question from MHT CET 2026 (12 May, Shift 2)

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