A vessel in the form of a cylindrical bowl is full of water. Its water is emptied into a cylinder. The internal radii of bowl and the cylinder are 10.5 cm and 7 cm respectevely. Find the height of water in the cylinder.
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Correct option is A)
Let h cm be the height of water in the cylinder. Then,
Then, the volume of water raised =volume of a hemispherical bowl
⇒πr2h=32πr3
π×42×h=32π×63⇒h=9cm
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