(a) 2 : 3 (b) 3 : 2 (c) 3 : 4 (d) 4 : 3 Ans. b (10)
7. 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
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- 7. 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