1.

Two capillary tubes P and Q are dipped in water. The height of water level in capillary P is 2/3 to the height in Q capillary. The ratio of their diameters is   [MP PMT 1985]

A. 2 : 3    
B.    3 : 2
C.    3 : 4    
D.    4 : 3
Answer» C.    3 : 4    


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