
The SI unit of density is _____.


Important Questions on Measurements
_____ is constant anywhere in the universe.

is equal to _____.

The measuring cylinder is used to measure the _____of a liquid.

Column A | Column B |
(A) Liquid displaced by a solid | (a) |
(B) | (b) |
(C) | (c) Unit of pressure |
(D) | (d) Volume of the solid |
Choose the option for the correct match.

Write the following steps in a sequential order to show that the volume of a liquid displaced by a solid, which is insoluble and completely immersed in a liquid, increases with increase in the volume of the solid.
(a) The displaced liquid is collected in a beaker and its volume is measured with the help of a measuring cylinder.
(b) Different objects, such as glass, stone, etc., of different volumes are immersed in different liquids, such as water, kerosene, etc.
(c) The phenomenon is observed at different places and different times.
(d) It is observed that the volume of displaced liquid increases as the volume of the solid increases.

The unit of force in SI system is . In CGS system its unit is dyne and it is given as . Arrange the following steps in a sequential order to relate the SI unit and CGS unit of force.
(a) Write the conversion of and , into and respectively.
(b) Substitute the conversion in .
(c) Write the relation between and .
(d) Write in place of as .

Which of the following statements is correct?

The mass of a density bottle when it is filled with a liquid of density is and the mass of the bottle when it is filled with water is . The mass of the empty density bottle is _____ .
