| 1 |
<p class="MsoNormal">Old people cannot hear sound above than:<o:p></o:p></p> |
- A. <p class="MsoNormal">1000 Hz<o:p></o:p></p>
- B. <p class="MsoNormal">15000 Hz<o:p></o:p></p>
- C. <p class="MsoNormal">20000 Hz<o:p></o:p></p>
|
| 2 |
The distance between two consecutive compressions or rarefactions in longitudinal waves is called: |
- A. Amplitude
- B. Wavelength
- C. Half wavelength
- D. 1/4 wavelength
|
| 3 |
In D.C.motor split rings are made of: |
- A. Steel
- B. Carbon
- C. Copper
- D. Iron
|
| 4 |
<p class="MsoNormal">The value of acceleration is simple harmonic motion at mean
position is:<o:p></o:p></p> |
- A. <p class="MsoNormal">Maximum<o:p></o:p></p>
- B. <p class="MsoNormal">Zero<o:p></o:p></p>
- C. <p class="MsoNormal">10 N<o:p></o:p></p>
- D. <p class="MsoNormal">Both a and b<o:p></o:p></p>
|
| 5 |
<p class="MsoNormal">the motion in which the friction reduces the mechanical
energy of the system as time passes and the amplitude of motion reduces is
called:<o:p></o:p></p> |
- A. <p class="MsoNormal">SHM<o:p></o:p></p>
- B. <p class="MsoNormal">Random motion<o:p></o:p></p>
- C. <p class="MsoNormal">Damped motion<o:p></o:p></p>
- D. <p class="MsoNormal">Circulatory motion<o:p></o:p></p>
|
| 6 |
The base of computer operation are: |
- A. 1,2
- B. 0, 1
- C. 0, 2
- D. 1, 10
|
| 7 |
The line which passes through pole of the mirror and center of curvature is called principal: |
- A. axis
- B. Focus
- C. Line
- D. None of these
|
| 8 |
Transformer which increase voltage is called. |
- A. Step-up transformer
- B. Step down transformer
- C. D.C.Moter
- D. A.C.genrator
|
| 9 |
At mean position of pendulum, the potential energy of the pendulum is: |
- A. Maximum
- B. Minimum
- C. Much more
- D. Both a and c
|
| 10 |
<p class="MsoNormal">The energy is transferred from one place of another:<o:p></o:p></p> |
- A. <p class="MsoNormal">through matter<o:p></o:p></p>
- B. <p class="MsoNormal">through waves<o:p></o:p></p>
- C. <p class="MsoNormal">both a and b<o:p></o:p></p>
- D. <p class="MsoNormal">through vacuum<o:p></o:p></p>
|
