Question:

A capillary tube of radius 0.105 mm is dipped into a liquid whose density is 0.79 \(gcm^{-3}\). The liquid rises in this capillary to a height of 6.30 cm. Calculate the surface tension of the liquid (g=980 cm \(sec^{-2}\))

Updated On: Mar 18, 2024
  • \(25.6 \;dynes \;cm^{-1}\)
  • \(51.2 \;dynes \;cm^{-1}\)
  • \(12.8 \;dynes \;cm^{-1}\)
  • \(20.6 \;dynes \;cm^{-1}\)
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The Correct Option is A

Solution and Explanation

The correct answer is (A) : \(25.6 \;dynes \;cm^{-1}\)
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