A cylindrical vessel of radius 3 cm has at the bottom a horizontal capallary tube of length
Channel: Doubtnut
Date: 2021-11-02

A cylindrical vessel of radius 3 cm has at the bottom a horizontal capallary tube of length 20 cm and intrnal radius `0.4` mm. If the vessel is filled with water, find the time taken by it to empty one half of its contents. Given that the viscosity of water is `0.01` poise.