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The volume of a block of gold is 0.5 m^3...

The volume of a block of gold is 0.5 `m^3`. If it is hammered into a sheet to cover an area of 1 hectare, find the thickness of the sheet.

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The correct Answer is:
0.05 mm
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RS AGGARWAL-VOLUME AND SURFACE AREA OF SOLIDS-EXERCISE 20 A
  1. A wall 15 m long, 30 cm wide and 4m high is made of bricks, each measu...

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  2. Find the capacity of a rectangula cistern in litres whose dimensions a...

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  3. The volume of a block of gold is 0.5 m^3. If it is hammered into a she...

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  4. In a shower , 5 cm of rain falls . The volume of the water that falls ...

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  5. If a river of depthness 2 metres and breadth 45 metress, flowrs at a s...

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  6. A pit 5 m long and 3.5 m wide is dug to a certain depth. If the volume...

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  7. A rectangular water tank is 90 cm wide and 40 cm deep. If it can conta...

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  8. A beam, of wood is 5 m long and 36 cm thick. It is made of 1.35m^(3) o...

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  9. The volume of a room is 378m^(3) and the area of its floor is 84m^(2)....

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  10. A swimming pool is 260 m long and 140 m wide. If 54600 cubic metres of...

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  11. Find the volume of wood used to make a closed box of outer dimensionis...

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  12. Find the volume of iron required to make an open box whose external di...

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  13. A box with a lid is made of wood which is 3 cm thick. Its external len...

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  14. The external dimensions of a closed wooden box are 62 cm, 30 cm and 18...

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  15. An open wooden box 80 cm long, 65 cm wide and 45 cm high, is made of 2...

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  16. Find the volume, lateral surface area and the total surface area of a ...

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  17. The total surface area of a cube is 1176 cm^(2). Find its volume

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  18. If the volume of a cube is 729 cm^3,then its surface area will be:

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  19. The dimensions of a metal block are 2.25m by 1.5m by 27cm. It is me...

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  20. If each edge of a cube is doubled, (i) how many times will its s...

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