MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A tube of uniform cross section always has water flowing through it. It is kept vertical in such a way that water enters from top and leaves from the bottom. If the speed at a point A below the opening is ‘v’, what will be the speed at a point B vertically below A such that the distance between A & B is ‘2h’? |
| A. | v |
| B. | \(\sqrt{v^2 + 4gh}\) |
| C. | \(\sqrt{v^2 + 2gh}\) |
| D. | v/2 |
| Answer» B. \(\sqrt{v^2 + 4gh}\) | |
| 2. |
Streamlines of steady flows can be curved. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
In which one of the following cases can the equation of continuity be used? |
| A. | Compressible flow |
| B. | Incompressible flow |
| C. | Turbulent flow |
| D. | Viscous flow |
| Answer» C. Turbulent flow | |
| 4. |
On which of these following options is the continuity equation based? |
| A. | Work energy theorem |
| B. | Law of conservation of energy |
| C. | Conservation of mass |
| D. | Conservation of momentum |
| Answer» D. Conservation of momentum | |
| 5. |
Choose the correct option regarding a streamline. |
| A. | Speed, not velocity, at all points of a streamline is same |
| B. | Two streamlines can intersect in case of laminar flow |
| C. | There is no friction between streamlines in case of steady flow |
| D. | In a given streamline, velocity of a point can vary with time |
| Answer» E. | |
| 6. |
Consider two points, A & B, on two different streamlines. Bernoulli Theorem can be applied between points A & B. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Velocity has to be the same at the same horizontal level in case of steady laminar flow. |
| A. | True |
| B. | False |
| Answer» C. | |