(i) `10^7m` …. Is the order of radius of earth.
(ii) `10^4m` …. Is the order of height of mount
everest,
(iii) `10^3m` ….. Is the order of distance travelled
by sound in air in 3 sec.
(iv)`10^2m`…… is the order of length of a collage palyground,
(v)`10^(-3)`..... is the order of thickness of a carboard,
(vi) `10^(-6)m` .... mean free path of air molecules,
(vii) `10^(-14)m` ...... is the order of size of an atomic nucleus.