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 oth
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
A. `9:1`
B. `1:9`
C. `3:1`
D. `1:3`
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Correct Answer - C
As `h prop (1)/(r ) therefore (h_(1))/(h_(2)) = (r_(2))/(r_(1))` or `(r_(1))/(r_(2)) = (h_(2))/(h_(1)) = (6.6)/(2.2) = (3)/(1)`
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