1.

Two capillaries made of same material but of different radii are dipped in a liquid. The rise of liquid in one capillary is 2.2 cm and that in the other is 6.6 cm. The ratio of their radii is        [MP PET 1990]

A. 9 : 1    
B.    1 : 9
C.    3 : 1    
D.    1 : 3
Answer» D.    1 : 3


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