1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

# When a capillary tube is connected to a pressure head V.c.c. of water flows per second. If another tube of same length but half the radius is connected to the first in series to the same pressure head, the quantity of water flowing through them per second will be ( in c.c):

A
V16
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
V17
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
17V16
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
V
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

## The correct option is B V17V=πPr48μlV1=πP1(r)48μlflow will be same through both tube.V1=πP2(r/2)48μl now radius is=r/2 ......(1)And P1+P2=Pfrom above three equation we getP2=16P/17putting this in equation 1 we get V1=V/17

Suggest Corrections
0
Join BYJU'S Learning Program
Related Videos
The First Law of Thermodynamics
PHYSICS
Watch in App
Explore more
Join BYJU'S Learning Program