Question:

Why the dam of water reservoir is thick at the bottom?

Updated On: Aug 15, 2022
  • Quantity of water increases with depth
  • Density of water increases with depth
  • Pressure of water increases with depth
  • Temperature of water increases with depth
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The Correct Option is C

Solution and Explanation

The dam of water reservoir is made thick at the bottom because due to maximum depth, the pressure of water is maximum and to bear this maximum pressure dam should be thick at the bottom,
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The surface tension of a liquid is all the time a function of the solid or fluid with which the liquid is in contact. If a value for surface tension is provided in a table for oil, water, mercury, or whatever, and the contacting fluid is unspecified, it is safe to consider that the contacting fluid is air.