Water is flowing through a tube of the non-uniform cross-section. The ratio of the radius at the entry and exit end of the pipe is \(3:2\). Then the ratio of velocities at entry and exit of liquid is:
1. \(4:9\)
2. \(9:4\)
3. \(8:27\)
4. \(1:1\)
1. | \(\dfrac{{v}}{4}\) | 2. | \(\dfrac{{v}}{2}\) |
3. | \(2{v}\) | 4. | \(4{v}\) |
An ideal fluid flows through a pipe of circular cross-section made of two sections with diameters \(2.5\) cm and \(3.75\) cm. The ratio of the velocities in the two pipes is:
1. \(9:4\)
2. \(3:2\)
3. \(\sqrt{3}:\sqrt{2}\)
4. \(\sqrt{2}:\sqrt{3}\)