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In the siphon shown in the figure the en...

In the siphon shown in the figure the ends `A` and `B` of the tube are at same horizontal level. Water fills the entire tube but it does not flow out of the end B. With the help of a diagram show how the water surface at end B changes if the end B were slightly lower than the position shown.

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The correct Answer is:
The radius of curvature decreases
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