Physics
The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall

Depends on the thickness of the wall
Increases with height of the wall
Depends on the area of the wall
Increases with depth of the wall

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Physics
A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by

Increasing the height of water in the vessel
None of these
Increasing the radius of the capillary tube
Decreasing the radius of the capillary tube

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