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Sahay Sir > Question Answers > MTG NEET Physics > Part 1 > Chapter 13 - Fluid Mechanics > Find the time taken by the soap bubble, blown at the end of a capillary tube of radius r and length l for the radius of the soap bubble to decrease from R1 to R2 (R1> R2). Coefficient of viscosity of air is n and moving with the same velocity as object.

Find the time taken by the soap bubble, blown at the end of a capillary tube of radius r and length l for the radius of the soap bubble to decrease from R1 to R2 (R1> R2). Coefficient of viscosity of air is n and moving with the same velocity as object.

Find the time taken by the soap bubble then what will be the new terminal velocity ? Two identical water drops are falling down in the air with a terminal velocity v. If the two drops combine and from a single drop