A rain drop of radius 0.5 mm has a terminal velocity in air `2 ms^(-1)` . The  viscosity of air is
Channel: Doubtnut
Date: 2020-08-02

A rain drop of radius 0.5 mm has a terminal velocity in air `2 ms^(-1)` . The  viscosity of air is `18 xx 10^(-5)" dyne "cm^(-2)s` . Find the viscous force on the rain drop.