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MHT CET 2025 (22 Apr, Shift 2) · Angle of Contact & Capillarity

Angle of Contact & Capillarity question from MHT CET 2025 (22 Apr, Shift 2)

Q26MHT CET 2025 · 22 APR · SHIFT 2Medium

Angle of Contact & Capillarity

Water rises in a capillary tube of radius r up to height h. The mass of water in a capillary is m. The mass of water that will rise in capillary of radius $\frac{r}{5}$ will be

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Answer: (a)

Weight of column $mg = 2\pi rT$ , so $m \propto r$ .
Radius $\frac{r}{5} \Rightarrow$ mass $\frac{m}{5}$ .
So the answer is (a) $\frac{m}{5}$ .

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