Spherical balls of radius R are falling in a viscous fluid of viscosity η with a velocity…

Physics · JEE Main · NTA Exams — Properties of Solids and Liquids

1. directly proportional to R but inversely proportional to ν.
2. directly proportional to both radius R and velocity ν.
3. inversely proportional to both radius R and velocity ν.
4. inversely proportional to R but directly proportional to velocity ν.

Answer

(B) directly proportional to both radius R and velocity ν .

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