What is the radius of the biggest aluminium coin of thickness and density , which will still be able to float on the water surface of surface tension ? |
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What is the radius of the biggest aluminium coin of thickness and density , which will still be able to float on the water surface of surface tension ? |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

Let be the radius of the biggest aluminium coin which will be supported on the surface of water due to surface tension. Then, or Or |

127 votes

127