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Fluid Mechanics — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsFluid Mechanics1 Mark
Question
Assertion : When two boats sails parallel in the same direction and close to each other, they are pulled towards each other.
Reason : The viscous drag on a spherical body moving with speed $v$ is proportional to $v$.
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Answer

(b)

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