JEE Main 29 June 2022 Shift 2 Solved Paper

A small spherical ball of radius 0.1‌mm and density 104‌kg‌m−3 falls freely under gravity through a distance h before entering a tank of water. If, after entering the water the velocity of ball does not change and it continue to fall with same constant velocity inside water, then the value of h will be _____m.
(Given g=10ms−2, viscosity of water =1.0×10−5N−sm−2 ).