A glass plate of length 0.1m. breadth 15 x 10-³m and

Last updated: 7/8/2022

A glass plate of length 0.1m. breadth 15 x 10-³m and thickness 2 × 10-³ m weights 8 × 10-³ kg in air. It is heid vertically with its longer side horizontal and its lower half immersed in water. If the surface tension of water is 72 × 10-³ N/m the apparent weight of the plate will be A. 97.4 x 10-³ N B. 36.1 x 10-³ N C. 72.2 × 10-³ N D. 79.4 x 10-³ N