Example 2.7: A capillary tube of radius 5 x 104 m is immersed in a beaker filled with mercury. The mercury level inside the tube is found to be 8 × 10-3 m below the level of reservoir. Determine the angle of contact between mercury and glass. Surface tension of mercury is 0.465 N/m and its density is 13.6 x 10³ kg/m³. (g = 9.8 m/s²)

Principles of Physics: A Calculus-Based Text
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Author:Raymond A. Serway, John W. Jewett
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Chapter15: Fluid Mechanics
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Example 2.7: A capillary tube of radius
5 x 104 m is immersed in a beaker filled
with mercury. The mercury level inside the
tube is found to be 8 x 10-3 m below the level
of reservoir. Determine the angle of contact
between mercury and glass. Surface tension
of mercury is 0.465 N/m and its density is
13.6 × 10³ kg/m³. (g = 9.8 m/s²)
Transcribed Image Text:Example 2.7: A capillary tube of radius 5 x 104 m is immersed in a beaker filled with mercury. The mercury level inside the tube is found to be 8 x 10-3 m below the level of reservoir. Determine the angle of contact between mercury and glass. Surface tension of mercury is 0.465 N/m and its density is 13.6 × 10³ kg/m³. (g = 9.8 m/s²)
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