Two capillary tubes of lengths in .the ratio 2: 1 and radii in the ratio 1 :2 are connected in series. Assume the flow of the liquid through the tube is steady. Then, the ratio of pressure difference across the tubes is

Two capillary tubes of lengths in .the ratio 2: 1 and radii in the rat

1.	Two capillary tubes of lengths in .the ratio 2: 1 and radii in the ratio 1 :2 are connected in series. Assume the flow of the liquid through the tube is steady. Then, the ratio of pressure difference across the tubes is
Answer» `1:8` `1:16` `32:1` `1:1` ANSWER :C