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प्रश्न
Define the angle of contact.
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उत्तर
When a liquid is in contact with a solid, the angle between the tangent drawn to the free surface of the liquid and the surface of the solid at the point of contact measured inside the liquid is called the angle of contact.
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संबंधित प्रश्न
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Water rises in a vertical capillary tube up to a length of 10 cm. If the tube is inclined at 45°, the length of water risen in the tube will be
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[T = surface tension of water]
