Water column inside a glass capillary tube is 4 cm long. Mercury surface in the same tube is depressed by 1.23 cm. Compare the surface tension of mercury with that of water. Given: Density of water = 10³ kg/m³ Density of mercury = 13.6 × 10³ kg/m³ Angle of contact for water is 0° and angle of contact for mercury is 130°.

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Water column inside a glass capillary
tube is 4 cm long. Mercury surface in the same
tube is depressed by 1.23 cm. Compare the
surface tension of mercury with that of water.
Given: Density of water = 10³ kg/m³
Density of mercury = 13.6 × 10³ kg/m³
Angle of contact for water is 0° and angle of
contact for mercury is 130°.
Transcribed Image Text:Water column inside a glass capillary tube is 4 cm long. Mercury surface in the same tube is depressed by 1.23 cm. Compare the surface tension of mercury with that of water. Given: Density of water = 10³ kg/m³ Density of mercury = 13.6 × 10³ kg/m³ Angle of contact for water is 0° and angle of contact for mercury is 130°.
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