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A cylindrical can whose base is horizontal and is of internal radius 3.5 cm contains sufficient water so that when a solid sphere is placed inside, water just covers the sphere. The sphere fits in the can exactly. The depth of water in the can before the sphere was put, is
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35 cm 3
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17 cm 3 -
7 cm 3 -
14 cm 3
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Correct Option: C
| Increase in water level = | ||
| Area of base of cylinder |
| = | πr³ | |
| 3 | ||
| πr² | ||
| = | r = | × 3.5 = | cm | |||
| 3 | 3 | 3 |
| ∴ Required water level = 7 - | = | cm. | ||
| 3 | 3 |
