Question

if the value of g at the surface of the earth is 9.8 ms power-2 then the value of g at a place 480 km above the will be bebe be ( surface of the earth​

Answer 1

Capillary action is involved in paper chromatography as the water present in beaker rises up through the filter paper.

This happens because filter paper has large no. of pores in it. *The pores in the filter paper acts as capillary tubes.*