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प्रश्न
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.
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उत्तर
Given that
Volume of gold`=0.5cm^3`
Area of gold sheet =1hectare = `10000 m^2`
∴Thickness of gold sheet= `"Volume of gold"/"Area of gold sheet"`
`= (0.5m^3)/(1Hectare)`
`=(0.5m^3)/(10000m^2)`
`5/(10000)xx10m`
`(100)/(20000)m`
Thickness of gold sheet= `1/200cm.`
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