KEAM 2016 Physics and Chemistry Paper

Diameter of pipe at first point (d1)=20cm=0.2m.
Radius of prpe at first point
(r1)=‌

0.2

2

=0.1m
Velocity of water at first point
(v1)=1ms−1
Diameter af pipe at second point
(d2)=5cm=0.05m
Radiusof pipe at second point,
(r2)=‌

0.05

2

=0.025m
According to equation of continuity.
A1v1‌‌=A2v2
πt12v1‌‌=π22v2
v2‌‌=(‌

r1

r2

)2×v1
v2‌‌=(‌

0.1

0.025

)2×1
v2‌‌=16ms−1