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A solid sphere of radius 1cm is melte...

A solid sphere of radius 1cm is melted to stretch into a wire of length 100 cm. Find the radius of the wire.

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RD SHARMA ENGLISH-SURFACE AREA AND VOLUME OF A SPHERE -All Questions
  1. Three solid spheres of iron whose diameters are 2cm, 12cm and 16cm,...

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  2. A solid lead ball of radius 7cm was melted and then drawn into a wi...

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  3. A solid sphere of radius 1cm is melted to stretch into a wire of le...

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  4. A sphere of diameter 6cm is dropped in a right circular cylindrical...

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  5. A hemisphereical bowl of internal diameter 36cm contains a liquid. Thi...

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  6. The largest sphere is carved out of a cube of a side 7cm. Find the ...

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  7. A hemisphere of lead of radius 8cm is cast into a right circular co...

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  8. A spherical cannonball 28 cm in diameter is melted and cast into a rig...

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  9. A cylindrical container of radius 6 cm and height 15 cm is filled w...

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  10. A solid wooden toy is in the shape of a right circular cone mounted...

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  11. Twenty seven solid iron spheres, each of radius r and surface area ...

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  12. Find the volume of a sphere whose radius is: 2cm          (ii)  3.5...

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  13. Find the volume of a sphere whose diameter is: 14cm        (ii)  ...

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  14. A hemispherical tank has inner radius of 2.8m. Find its capacity in...

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  15. A hemispherical bowl is made of steel, 0.25 cm thick. The inner rad...

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  16. How many bullets can be made out of a cube of lead whose edge measu...

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  17. A shopkeeper has one laddoo of radius 5cm. With the same materia...

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  18. A spherical ball of lead 3cm in diameter is melted and recast into ...

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  19. A sphere of radius 5cm is immersed in water filled in a cylinder, t...

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  20. If the radius of a sphere is doubled, what is the ratio of the volu...

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