Two capillary tubes of lengths in the ratio 
and radii in the ratio 
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
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
We know that, pressure, 
Given, 
and 
Let 
and 
Now, 
Pressure across the tubes has ratio of 
or 
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