If the velocity head of a stream of water is equal to $40 c m$ then its speed of flow is approximately

1.0 m / s

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2.8 m / s

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

140 m / s

No worries! We‘ve got your back. Try BYJU‘S free classes today!

10.3 m / s

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $2.8 m / s$
Velocity head is defined as $h = \frac{v^{2}}{2 g}$
so the velocity $v = \sqrt{2 g h} = \sqrt{2 \times 9.8 \times 0.4} = 2.8 m / s$

Suggest Corrections

Similar questions

10 cm

3 m / s

5 m / s

40 cm

g = 9.8 {m/s}^{2}

Join BYJU'S Learning Program