| 1 |
The waves in which particle of the medium vibrate parallel to the direction of waves are called |
- A. Longitudinal waves
- B. Transverse waves
- C. Electromagnetic waves
- D. both b and c
|
| 2 |
<p class="MsoNormal">In a vacuum all electromagnetic waves have the same:<o:p></o:p></p> |
- A. <p class="MsoNormal">Speed<o:p></o:p></p>
- B. frequency
- C. amplitude
- D. wavelength
|
| 3 |
<p class="MsoNormal">Which of the following is an example of simple harmonic
motion:<o:p></o:p></p> |
- A. <p class="MsoNormal">Motion of a simple pendulum<o:p></o:p></p>
- B. <p class="MsoNormal">The motion of ceiling fan<o:p></o:p></p>
- C. <p class="MsoNormal">The spinning of the earth on its axis<o:p></o:p></p>
- D. <p class="MsoNormal">A bouncing ball on a floor<o:p></o:p></p>
|
| 4 |
Which of the following is an example of simple harmonic motion ? |
- A. Motion of the simple pendulum
- B. The motion of ceiling fan
- C. The spining of the Earth on its axis
- D. A bouncing ball on a floor
|
| 5 |
If the length of a simple pendulum is halved its time period will become: |
- A. T/2
- B. T = T/√2
- C. √2T
- D. 2T
|
| 6 |
It mass of bob o a simple pendulum is doubled, its time period. |
- A. is doubled
- B. become four times
- C. remains same
- D. none of the above
|
| 7 |
A large ripple tank with a vibrator working at a frequency of 30 Hz produces 25 complete wae in distance of 50 cm. The velocity of the wave is: |
- A. 54 cms<sup>-1</sup>
- B. 60 cms<sup>-1</sup>
- C. 750 cms<sup>-1</sup>
- D. 1500 cms<sup>-1</sup>
|
| 8 |
<p class="MsoNormal">Which of the following is a method of energy transfer:<o:p></o:p></p> |
- A. <p class="MsoNormal">Conduction<o:p></o:p></p>
- B. <p class="MsoNormal">Radiation<o:p></o:p></p>
- C. <p class="MsoNormal">Wave motion<o:p></o:p></p>
- D. <p class="MsoNormal">All of these<o:p></o:p></p>
|
| 9 |
The energy is transferred from one place to another: |
- A. Through matter
- B. Thouth waves
- C. both a and b
- D. None of these
|
| 10 |
The wave properties |
- A. Reflection
- B. Refraction
- C. Diffraction
- D. All of these
|
