Q.
Horizontal tube of non-uniform cross-section has radii of 0.1 m and 0.05 m respectively at M and N. For a streamline flow of liquid the rate of liquid flow is
A) Changing continuously with time
B) Greater at M than N
C) Greater at N than at M
D) Same at M and N
Explanation
(c) The velocity of flow will increases if cross-section decreases and $vice - versa$
[image:10_image95.jpeg]
$ie,\ \ \ A_{1}v_{1} = A_{2}v_{2}$
$or\ \ \ \ A_{v} = constant$
Therefore, the rate of liquid flow will be greater at N than at M.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.