MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If two sound waves having a phase difference of 60°, then they will have a path difference of __________ |
| A. | ʎ/6 |
| B. | ʎ/3 |
| C. | ʎ |
| D. | 3ʎ |
| Answer» B. ʎ/3 | |
| 2. |
The equation of wave is given byy=10sin(2πt/30+α)If the displacement is 5cm at t=0, then the total phase at t=7.5s will be __________ |
| A. | π/3rad |
| B. | π/2rad |
| C. | 2π/5rad |
| D. | 2π/3rad |
| Answer» E. | |
| 3. |
The plane wave is described by the equationy=3cos(x/4-10t-π/2),Where c is in meters and t in seconds. The maximum velocity of the particles of the medium due to this is? |
| A. | 30m/s |
| B. | 3π/2 m/s |
| C. | 3/4 m/s |
| D. | 40m/s |
| Answer» B. 3π/2 m/s | |
| 4. |
If equation of a sound wave isy=0.0015sin(62.8x+314t)Then its wavelength will be __________ |
| A. | 0.1unit |
| B. | 0.2units |
| C. | 0.3unit |
| D. | 2unit |
| Answer» B. 0.2units | |
| 5. |
A transverse wave passes through a string with the equationy=10sinπ(0.02x-2t)Where x is in metres and t in seconds. What is the maximum velocity of the particles in wave motion? |
| A. | 63m/s |
| B. | 78m/s |
| C. | 100m/s |
| D. | 121m/s |
| Answer» B. 78m/s | |
| 6. |
A boat at anchor is rocked by waves, whose crests are 100m apart and velocity is 25m/s. The boat bounces up once in every __________ |
| A. | 2500s |
| B. | 75s |
| C. | 4s |
| D. | 0.25s |
| Answer» D. 0.25s | |
| 7. |
The waves produced by a motor boat sailing in water are __________ |
| A. | Transverse |
| B. | Longitudinal |
| C. | Longitudinal and transverse |
| D. | Stationary |
| Answer» D. Stationary | |
| 8. |
The waves, in which the particles of the medium vibrate in a direction perpendicular to the direction of wave motion, is known as __________ |
| A. | Transverse waves |
| B. | Longitudinal waves |
| C. | Propagated waves |
| D. | Magnetic waves |
| Answer» B. Longitudinal waves | |
| 9. |
If_two_sound_waves_having_a_phase_difference_of_60°,_then_they_will_have_a_path_difference_of$# |
| A. |  é/6 |
| B. |  é/3 |
| C. |  é |
| D. | 3 é |
| Answer» B. ¬¨‚Ć‚àö¬©/3 | |
| 10. |
The plane wave is described by the equatio? |
| A. | , |
| B. | |
| C. | 30m/s |
| Answer» B. | |
| 11. |
If equation of a sound wave is |
| A. | |
| B. | |
| C. | 0.1unit |
| Answer» B. | |
| 12. |
A transverse wave passes through a string with the equation |
| A. | |
| B. | |
| C. | 63m/s |
| Answer» B. | |
| 13. |
A boat at anchor is rocked by waves, whose crests are 100m apart and velocity is 25m/s. The boat bounces up once in every |
| A. | 2500s |
| B. | 75s |
| C. | 4s |
| D. | 0.25s |
| Answer» D. 0.25s | |
| 14. |
For a wave propagating in a medium, identify the property that is independent of the others. |
| A. | Velocity |
| B. | Wavelengths |
| C. | Frequency |
| D. | All these depend on each other |
| Answer» D. All these depend on each other | |
| 15. |
The waves produced by a motor boat sailing in water are |
| A. | Transverse |
| B. | Longitudinal |
| C. | Longitudinal and transverse |
| D. | Stationary |
| Answer» D. Stationary | |
| 16. |
The waves, in which the particles of the medium vibrate in a direction perpendicular to the direction of wave motion, is known as |
| A. | Transverse waves |
| B. | Longitudinal waves |
| C. | Propagated waves |
| D. | Magnetic waves |
| Answer» B. Longitudinal waves | |
| 17. |
Which is different from others by units? |
| A. | Phase difference |
| B. | Mechanical equivalent |
| C. | Loudness of sound |
| D. | Poisson’s ratio |
| Answer» E. | |