A cube of iron of edge `5 cm` floats on the surface of mercury, contained in a tank. Water is then poured on top, so that the cube just gets immersed. Find the depth of water layer. (Specific gravities of iron-and mercury are `7.8` and `13.6`, respectively.)

What mass of lead will weigh as much as 8 gm of iron when both are immersed in water ? (given specific gravities of iron and lead are 8 and 11 respectively).

A cubical metal block of edge 12 cm floats in mercry with one fifth of the height inside the mercury. Water poured till the surface of the block is just immersed in it. Find the height of the water column to be poured. Specific gravity of mercury =13.6.

A cubical metal block of edge 12 cm floats in mercry with one fifth of the height inside the mercury. Water poured till the surface of the block is just immersed in it. Find the height of the water column to be poured. Specific gravity of mercury =13.6.

A block of iron floats on mercury. Find the fractionof volume which remains immersed in mercury. (Densities of iron and mercury are 7.8gcm^(-3) and 13.6gcm^(-3) respectively).

Mercury is poured into a U-tube of uniform bore such that the level of mercury remains 20 cm below the open ends in both arms. Now, one arm is filled completely with water and the other arm with kerosene. Calculate the lengths of the water column and the kerosene column. The specific gravities of kerosene and mercury are 0.8 and 13.6 resspectively.

(i) A cubical metal block of side 10cm is floating in a vessel contatining mercury. The vesel has a square cross section of side length 15cm. Water is poured into the vessel so that the metal block just gets submerged. Calculate the mass of water that was poured into the vessel. It is given that relative density of the metal and mercury are 7.3 and 13.6 respectively. (ii) In the last question, in place of water if we poured another liquid of relative density 'r' it was found that when the metal block ws just completely submerged it was no longer touching mercury. what is value of r?

A cubical steel block floats on mercury erectly. If each side of the cube is 10 cm, (i) how much of the body is above the mercury surface? (ii) If water is poured over mercury and it just covers the upper surface of the cube, then what will be the depth of the water column? Densities of steel and mercury are 7.8g*cm^(-3)and13.6g*cm^(-3) respectively.

A cubical metal block of edge 12 cm floats in mercry with one fifth of the height inside the mercury. Water poured till the surface of the block is just immersed in it. Find the height of the block is just immersed in it. Find the height of the water column to be poured. Specific gravity of mercury =13.6.