# Find the amount of water displaced by a solid spherical ball of diameter(i) 28 cm(ii) 0.21 m

Note: when a ball is dropped in any container, the volume of water displaced is
same as volume of sphere as now sphere has taken the place of water.

(i)d =28 cm

As,

r = d/2
= 28/2

Volume of water displaced = Volume of Sphere = πr3

= ×  ×  (14)3

= ×  ×  14 × 14 × 14

= × 22 ×  2 × 14 × 14

= cm3

(ii) d = 0.21 m

As,

r = d/2

= 0.21/2

Volume of water displaced =Volume of Sphere = πr3

= ×   ×  (0.105)3

= 0.004851 m3

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