Q. No.1. \(P+\rho g h+\frac{1}{2} \rho v^2=\text { constant }\)
2. \(\mathrm{P}+\rho \mathrm{gh}+\rho \mathrm{v}^2=\mathrm{constant}\)
3. \(P+\mathrm{mgh}+\frac{1}{2} \mathrm{mv}^2=\text { constant }\)
4. \(\mathrm{P}+\frac{1}{2} \rho g h+\frac{1}{2} \rho \mathrm{v}^2=\text { constant }\)
A cylinder of height 20 m is completely filled with water. The velocity of efflux of water (in m/s) through a small hole on the side wall of the cylinder near its bottom is
1. 10
2. 20
3. 25.5
4. 5
1. \(\sqrt{gh}\)
2. \(\sqrt{2gh}\)
3. \(2\sqrt{gh}\)
4. \(\sqrt{gh/2}\)
(take \(g=10~\text{m/s}^2\) )
1. \(100~\text {m/s}\)
2. \(50~\text {m/s}\)
3. \(10~\text {m/s}\)
4. \(8~\text {m/s}\)
A cylinder of height \(20~\text{m}\) is completely filled with water. The velocity of efflux of water (in \(\text{ms}^{-1}\)) through a small hole on the side wall of the cylinder near its bottom, is:
1. \(10~\text{m/s}\)
2. \(20~\text{m/s}\)
3. \(25.5~\text{m/s}\)
4. \(5~\text{m/s}\)
A cylinder of height 20 m is completely filled with water. The velocity of efflux of water (in m/s) through a small hole on the side wall of the cylinder near its bottom is
1. 10
2. 20
3. 25.5
4. 5
The speed of water stream at which velocity head is 10 cm of water will be:
(Take g = 1000 cm/]
1. 121.2 cm/s
2. 173.1 cm/s
3. 141.4 cm/s
4. 135.5 cm/s
Water is filled in a container up to height h. A narrow hole is made at the bottom. The velocity with which water will come out through-hole is proportional to-
1.
2.
3.
4.
A cylinder of height 20 m is completely filled with water. The velocity of efflux of water (in ) through a small hole on the side wall of the cylinder near its bottom is
1. 10
2. 20
3. 25.5
4. 5
| 1. | The principle of perpendicular axes |
| 2. | Huygen's principle |
| 3. | Bernoulli's principle |
| 4. | The principle of parallel axes |
© 2026 GoodEd Technologies Pvt. Ltd.