An incompressible fluid flows steadily through a cylindrical pipe… - Vidyadip

MCQ

An incompressible fluid flows steadily through a cylindrical pipe which has radius $2 r$ at point $A$ and radius $r$ at $B$ further along the flow direction. If the velocity at point $A$ is $v$, its velocity at point $B$ is

A
$2 v$
B
$v$
C
$v / 2$
✓
$4 v$

✓

Answer

Correct option: D.

$4 v$

(d)

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