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The diameter of a sphere is 6cm. It i...

The diameter of a sphere is 6cm. It is melted and drawn into a wire of diameter 0.2 cm. Find the length of the wire.

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RD SHARMA ENGLISH-SURFACE AREA AND VOLUME OF A SPHERE -All Questions
  1. A cylindrical jar of radius 6 cm contains oil. Iron spheres each of...

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  2. A measuring jar of internal diameter 10cm is partially filled with ...

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  3. The diameter of a sphere is 6cm. It is melted and drawn into a wire...

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  4. The radius of the internal and external surface of a hollow spherical ...

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  5. A hemisphere of lead of radius 7 cm is cast into a right circular c...

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  6. A hollow sphere of internal and external radii 2 cm and 4 cm respec...

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  7. A metallic sphere of radius 10.5 cm is melted and recast into small...

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  8. A cone and a hemisphere have equal bases and equal volumes. Find th...

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  9. A cone, a hemisphere and a cylinder stand on equal bases and have t...

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  10. A cylindrical tub of radius 12 cm contains water to a depth of 20 c...

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  11. The larges sphere is carved out of a cube of side 10.5 cm. Find the...

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  12. A sphere, a cylinder and a cone have the same radius and same height. ...

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  13. The diameter of a sphere is decreased by 25%. By what percent its c...

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  14. A hemispherical tank is made up of an iron sheet 1 cm thick. If the...

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  15. A capsule of medicine is in the shape of a sphere of diameter 3.5 mm....

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  16. The diameter of the moon is approximately one-fourth of the diamete...

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  17. Find the surface area of a sphere of radius 14cm.

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  18. Find the total surface area of a hemisphere of radius 10 cm

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  19. Find the radius of a sphere whose surface area is 154\ c m^2

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  20. The hollow sphere, in which the circus motorcyclist performs his st...

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