| 1 |
Sound waves are an example of: |
- A. Transverse waves
- B. Electromagnetic waves
- C. Longitudinal waves
- D. All of these
|
| 2 |
Which form of energy is sound? |
- A. Electrical
- B. Mechanical
- C. Thermal
- D. Chemical
|
| 3 |
For normal person audible frequency range for sound wave lies between. |
- A. 10 Hz and 10KHz
- B. 20 Hz and 20KHz
- C. 25 Hz and 25KHz
- D. 30 Hz and 30KHz
|
| 4 |
<p class="MsoNormal">The disturbance travelling in a medium is called:<o:p></o:p></p> |
- A. <p class="MsoNormal">Wave motion<o:p></o:p></p>
- B. <p class="MsoNormal">Simple harmonic motion<o:p></o:p></p>
- C. Motion
- D. both a and b
|
| 5 |
The speed of sound in iron at 25 <sup>o</sup>C is ms<sup>-1</sup> |
- A. 5950
- B. 5900
- C. 6950
- D. 6940
|
| 6 |
High pitch means: |
- A. High wavelength
- B. High frequency
- C. High time period
- D. High energy
|
| 7 |
The speed of sound of water at 25 <sup>o</sup>C is: |
- A. 1530 ms<sup>-1</sup>
- B. 1531 ms<sup>-1</sup>
- C. 1560 ms<sup>-1</sup>
- D. 1570 ms<sup>-1</sup>
|
| 8 |
<p class="MsoNormal">the time period of body attached to spring depend on:<o:p></o:p></p> |
- A. <p class="MsoNormal">mass<o:p></o:p></p>
- B. <p class="MsoNormal">gravitational constant<o:p></o:p></p>
- C. <p class="MsoNormal">length<o:p></o:p></p>
- D. <p class="MsoNormal">amplitude<o:p></o:p></p>
|
| 9 |
<p class="MsoNormal">At mean position kinetic energy of the ball is:<o:p></o:p></p> |
- A. <p class="MsoNormal">Minimum<o:p></o:p></p>
- B. <p class="MsoNormal">Zero<o:p></o:p></p>
- C. <p class="MsoNormal">Maximum<o:p></o:p></p>
- D. <p class="MsoNormal">10 J<o:p></o:p></p>
|
| 10 |
Pitch of sound depends upon: |
- A. Frequency
- B. Amplitude
- C. Intensity
- D. Time period
|