1.

Half cubic meter of gold-sheet is extended by hammering so as to cover an area of 1 hectare. Find the thickness of the gold-sheet.

Answer»

Given,

Volume of the gold sheet = \(\cfrac12\)m3

Area of sheet = 1 hectare = 10000 m2

So, thickness of gold sheet = \(\cfrac{volume\,of\,gold\,sheet}{area\,of\,gold\,sheet}\)

\(=\cfrac{\frac{1}2m^3}{10000m^2}\)\(\cfrac{1}{200}\) cm



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