Two capillary tubes P and Q are dipped in water. The height of the water level in capillary P is 2/3 of the height in capillary Q. The ratio of their diameters is:<stron
Two capillary tubes P and Q are dipped in water. The height of the water level in capillary P is 2/3 of the height in capillary Q. The ratio of their diameters is: