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  • In a cylindrical vessel of radius 10 cm, containing some water, 9000 small spherical balls are dropped which are completely immersed in water which raises the water level. If each spherical ball is of radius 0·5 cm, then find the rise in the lev

In a cylindrical vessel of radius 10 cm, containing some water, 9000 small spherical balls are dropped which are completely immersed in water which raises the water level. If each spherical ball is of radius 0·5 cm, then find the rise in the level of water in the vessel. 

 

 

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\\\text{Volume of raised water in cylinder = Volume of 9000 spherical balls} \\\pi \times100\times H=9000\times\frac{4}{3}\pi\times(0.5)^3\\H=15\ cm

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