Mechanical Properties of Fluids
Bihar Board · Class 11 · Physics
Most important questions from Mechanical Properties of Fluids for Bihar Board Class 11 Physics board exam 2026. MCQs, short answer, and long answer questions with marks.
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Sample Questions
What is the primary cause of surface tension in liquids?
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Intermolecular attraction
Surface tension arises from the stronger molecular attraction between liquid molecules at the surface compared to those in the interior.
In Bernoulli's equation, what remains constant along a streamline?
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P + ½ρv² + ρgh
Bernoulli's principle states that the sum of pressure, kinetic energy per unit volume, and potential energy per unit volume remains constant along a streamline.
What is the definition of viscosity?
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Resistance to fluid motion
Viscosity is the internal friction of a fluid that resists the relative motion of its layers.
What determines the capillary rise in a narrow tube?
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Tube radius
Capillary rise is inversely proportional to the tube's radius, with smaller radii causing higher liquid rise.
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