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Important Questions: Viscosity, Stoke's law, terminal velocity, streamline and turbulent flow, critical velocity for JEE

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The most important Viscosity, Stoke's law, terminal velocity, streamline and turbulent flow, critical velocity questions for JEE cover conceptual traps, standard results, and numerical patterns from Viscosity, Stoke's law, terminal velocity, streamline and turbulent flow, critical velocity. Goodmarks provides 4+ high-yield MCQs with full solutions.

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Q1PhysicsUnit 7: Properties of Solids and Liquids
According to Stoke's law, the viscous drag force, on an oil drop is proportional to:
Q2PhysicsUnit 7: Properties of Solids and Liquids
Due to air a falling body faces a resistive force proportional to square of velocity v,v, consequently its effective downward acceleration is reduced and is given by a=g−kv2a=g-k v^{2} where k=k= 0.002m−1.0.002 m^{-1} . The terminal velocity of the falling body is (in⁡m/s)(\operatorname{in} \mathrm{m} / \mathrm{s})
Q3PhysicsUnit 7: Properties of Solids and Liquids
Eight drops of a liquid of density ρ\rho and each radius a are falling through air with a constant velocity 3.75cms−13.75 \mathrm{cm} s^{-1} when the eight drops coalesce to from a single drop the terminal velocity of the new drop will be
Q4PhysicsUnit 7: Properties of Solids and Liquids
Read the following statements and pick the correct choice Statement A: With increase in temperature, viscosity of a gas increases and that of a liquid decreases. Statement B: If the density of a small sphere is equal to the density of the liquid in which it is dropped, then the terminal velocity of the sphere will be zero.

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What makes a Viscosity, Stoke's law, terminal velocity, streamline and turbulent flow, critical velocity question "important" for JEE?

Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.

Which subtopics in Properties of Solids and Liquids are high-weightage?

Key areas include Viscosity, Stoke's law, terminal velocity, streamline and turbulent flow, critical velocity. Prioritise these before moving to edge cases.

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Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.

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