R P Goyal and S S Shome Solutions for Chapter: Physical Quantities and Measurement, Exercise 1: TEST YOURSELF

Name the S.I. unit of area and define it. 

How the unit $\mathrm{square} \mathrm{yard}$is related to the S.I. unit of area? 

How the unit $\mathrm{hectare}$is related to the S.I. unit of area?

How the unit ${\mathrm{km}}^2$ is related to the S.I. unit of area?

How the unit ${\mathrm{cm}}^2$  is related to the S.I. unit of area?

How the unit ${\mathrm{mm}}^2$ is related to the S.I. unit of area?

Explain how you will measure the area of a square?

Explain how you will measure the area of  a leaf ?