Water is filled slightly above the rim of a glass. Model the excess water as a disc of thickness h with semicircular edges. With ρ = 10³ kg m⁻³, surface tension 0.07 N m⁻¹ and g = 10 m s⁻², find h in mm just before overflow. Image

Physics · Properties of solid and fluid

JEE Advanced 2020

Water is filled slightly above the rim of a glass. Model the excess water as a disc of thickness h with semicircular edges. With ρ = 10³ kg m⁻³, surface tension 0.07 N m⁻¹ and g = 10 m s⁻², find h in mm just before overflow. Image