ACT Science Practice Question #1846 (Hard (570)) | Test Citadel
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ACT Science Difficulty: Hard (570)

Digital ACT Science Practice Question #1846

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Capillary rise occurs in glass tubes because: Experiment Context (Capillary Rise of Water in Glass Tubes): Physics students immersed clean vertical borosilicate glass capillary tubes of varying internal diameters (d) into a basin of dyed water at 20°C: Table 31: - d = 0.20 mm: Equilibrium height h = 148.0 mm - d = 0.40 mm: Equilibrium height h = 74.0 mm - d = 0.80 mm: Equilibrium height h = 37.0 mm - d = 1.60 mm: Equilibrium height h = 18.5 mm - d = 3.20 mm: Equilibrium height h = 9.2 mm
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Adhesive forces (water-glass) > Cohesive forces (water-water).

Masterclass Solution & Distractor Trap Analysis

Adhesion between polar H2O and hydrophilic silanol groups on glass pulls water upward against gravity....

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