Three liquids of densities ρ1, ρ2 and  ρ3 (with ρ1>ρ2>ρ3), having the same value of surface tension T, rise to the same height in three identical capillaries. The angles of contact θ1,θ2 and θ3 obey:

1.  \(\frac{\pi}{2}>\theta_1>\theta_2>\theta_3 \geq 0\)    
2. \(0 \leq \theta_1<\theta_2<\theta_3<\frac{\pi}{2}\)
3. \(\frac{\pi}{2}<\theta_1<\theta_2<\theta_3<\pi\)
4. \(\pi>\theta_1>\theta_2>\theta_3>\frac{\pi}{2}\)

Subtopic:  Capillary Rise |
 63%
From NCERT
NEET - 2016
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NEET 2023 - Target Batch - Aryan Raj Singh
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