GATE XE External Flows PYQs & Answers — Page 4

Questions 31–31 of 31. Imported answers require independent review unless marked reviewed.

Topic practice 31 questionsPage 4 of 4

A spherical bubble of radius

is rising upward with a constant velocity

, in quiescent water of dynamic viscosity

. The density of air and water are denoted by

and

, respectively, and

is acceleration due to gravity. The bubble motion is such that the Reynolds number,

. The density of air can be neglected in comparison to the water density (

). Which one of the following expressions is TRUE for the density of water?

Your answerChoose one option.

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