Processing math: 100%
Home / Aptitude Tests / Physics / A solid cube of side...

A solid cube of side 50cm and mass 75kg floats in a liqui...

A solid cube of side 50cm and mass 75kg floats in a liquid with 13 of its height above the liquid surface. The relative density of the liquid is?

A.

0.33

B.

0.50

C.

0.67

D.

0.90

Correct answer is D

 = 23(0.5)3

  Mass of liquid displaced = mass of floating cube = 75kg

  Density of liquid = massvolume

  = 75(73(0.5))  × 3

  = 0.9 × 103kgm3

  R.D of liquid = (0.9)(1.0) × 103

  = 0.9