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Solution


Q.

Water rises to a height h in capillary tube. If the length of capillary tube above the surface of water is made less than h, then              [2015]
1 water rises up to a point a little below the top and stays there  
2 water does not rise at all  
3 water rises up to the tip of capillary tube and then starts overflowing like a fountain  
4 water rises up to the top of capillary tube and stays there without overflowing.  

Ans.

(4)

Water will not overflow but will change its radius of curvature.