﻿ A rain drop of radius r falls in air with a terminal speed vt. What is the terminal speed of a rain drop of radius 2r?  : Kaysons Education

# A Rain Drop Of Radius r falls In Air With A Terminal Speed vt. What Is The Terminal Speed Of A Rain Drop Of Radius 2r?

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## Question

### Solution

Correct option is

The terminal speed of a liquid drop of radius r, density  falling in a fluid of viscosity  is given by

Thus vt varies as r2.

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