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प्रश्न
A dam has broader walls at the bottom than at the top. Give a reason.
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उत्तर
To withstand the greater pressure of water which increases with increase in depth.
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संबंधित प्रश्न
Name the quantity whose one of the units is pascal (Pa).
Higher we go, greater is the air pressure.
Pressure in a liquid ................with the depth.
State two factors on which the pressure at a point in a liquid depends.
The air pressure on our body is equal to ______ pressure.
Which of the following liquids has more viscosity?
An object is put one by one in three liquids having different densities. The object floats with `1/9, 2/11` and `3/7` parts of their volumes outside the liquid surface in liquids of densities d1, d2 and d3 respectively. Which of the following statement is correct?
Figure shows a container filled with water. Which of the following statements is correct about pressure of water?
The pressure in a liquid is the same at all depths.
If the volume of the object is above the water surface, then the object is less dense.
