breadth 4 cm
A glass plate of length 10 cm, breadth 4 cm, and the thickness 0.4 cm , weighs 20 g in air. It is held vertically with long side horizontal and half the plate immersed in water. What will be its apparent weight? Surface tension of water = 70 dyne/cm.
12
Oct
A glass plate of length 10 cm, breadth 4 cm, and the thickness 0.4 cm , weighs 20 g in air. It is held vertically with long side horizontal and half the plate immersed in water. What will be its apparent weight? Surface tension of water = 70 dyne/cm. A glass plate of length 10 [...]