7. SURFACE TENSION BY CAPILLARY RISE METHOD
Chapter 7: 7. SURFACE TENSION BY CAPILLARY RISE METHOD · Physics Volume 2 · EN medium
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AIM To determine surface tension of a liquid by capillary rise method. APPARATUS REQUIRED A beaker of Water, capillary tube, vernier microscope, double hole rubber stopper, a knitting needle, a short rubber tubing and retort clamp. FORMULA The surface tension of the liquid T hrσg N m - where T → Surface tension of the liquid ( N m – ) h → height of the liquid in the capillary tube (m) r → radius of the capillary tube (m) σ → Density of water ( kg m – ) (σ = kg m – ) g → Acceleration due to gravity (g = . m s – )
📖 Namma Kalvi 11th Physics Textbook Volume 2 English Medium · Page 305
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AIM To determine surface tension of a liquid by capillary rise method. APPARATUS REQUIRED A beaker of Water, capillary tube, vernier microscope, double hole rubber stopper, a knitting needle, a short rubber tubing and retort clamp. FORMULA The surface tension of the liquid T hrσg N m - where T → Surface tension of the liquid ( N m – ) h → height of the liquid in the capillary tube (m) r → radius of the capillary tube (m) σ → Density of water ( kg m – ) (σ = kg m – ) g → Acceleration due to gravity (g = . m s – )
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