The relative densities of four liquids P, Q, R and S are 1.26, 1.0, 0.84 and 13.6 respectively. An object is floated in all these liquids, one by one. In which liquid the object will float with its maximum volume submerged under the liquid?

A. P B. Q

C. R D. S

A metal in which even iron can float is:

A. Sodium B. Magnesium

C. Mercury D. Manganese

For balls, A, B, C and D displace 10 mL, 24 mL, 15 mL and 12 mL of a liquid respectively, when immersed completely. The ball which will undergo the maximum apparent loss in weight will be:

A. A

B. B

C. C

D. D

A solid of density 900 kg/m³ floats in oil as shown in the given diagram. The oil floats on water of density 1000 kg/m³ as shown. The density of oil in kg/m³ could be:

A. 850 B. 900

C. 950 D. 1050

The density of water is 1000 kg/m³ and the density of copper is 8900 kg/m³. Which of the following statements is incorrect?

A. = 8.9

B. = 8.9

C. = 8.9

D. = 8.9