| 1 |
If we double the distance between two charges, what will be the change in the force between them? |
- A. Half
- B. Double
- C. One fourth
- D. Four times
|
| 2 |
<p class="MsoNormal">Which frequency is used by elephants to communicate with
each other:<o:p></o:p></p> |
- A. <p class="MsoNormal">Zero frequency<o:p></o:p></p>
- B. <p class="MsoNormal">Low frequency<o:p></o:p></p>
- C. <p class="MsoNormal">Medium frequency<o:p></o:p></p>
- D. <p class="MsoNormal">High frequency<o:p></o:p></p>
|
| 3 |
<p class="MsoNormal">The intensity level of train siren is:<o:p></o:p></p> |
- A. <p class="MsoNormal">150 dB<o:p></o:p></p>
- B. <p class="MsoNormal">100 dB<o:p></o:p></p>
- C. <p class="MsoNormal">130 dB<o:p></o:p></p>
- D. <p class="MsoNormal">120 dB<o:p></o:p></p>
|
| 4 |
<p class="MsoNormal">The speed of sound in air at 21 °C is:<span style="font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><o:p></o:p></span></p> |
- A. <p class="MsoNormal">336ms<sup>-1</sup><o:p></o:p></p>
- B. <p class="MsoNormal">343ms<sup>-1</sup><o:p></o:p></p>
- C. <p class="MsoNormal">430ms<sup>-1</sup><o:p></o:p></p>
- D. <p class="MsoNormal">470ms<sup>-1<o:p></o:p></sup></p>
|
| 5 |
Electric potential is a quantity: |
- A. Scalar
- B. Vector
- C. Base
- D. All
|
| 6 |
<p class="MsoNormal">Sound waves having frequency higher than 20,000 Hz are
called:<o:p></o:p></p> |
- A. <p class="MsoNormal">Ultrasonic<o:p></o:p></p>
- B. <p class="MsoNormal">Infrasonic<o:p></o:p></p>
- C. <p class="MsoNormal">Audible<o:p></o:p></p>
- D. <p class="MsoNormal">Echo<o:p></o:p></p>
|
| 7 |
<p class="MsoNormal">In computer terminology information means:<o:p></o:p></p> |
- A. <p class="MsoNormal">Any data<o:p></o:p></p>
- B. <p class="MsoNormal">Raw data<o:p></o:p></p>
- C. <p class="MsoNormal">Processed data<o:p></o:p></p>
- D. <p class="MsoNormal">Large data<o:p></o:p></p>
|
| 8 |
An object gains excess negative charge after being rubbed against another object, which is: |
- A. Neutral
- B. Negatively charged
- C. Charged
- D. Either, a,b,and c
|
| 9 |
SI unit of electric potential is: |
- A. Watt
- B. Volt
- C. Coulomb
- D. Joule
|
| 10 |
Who developed the 1st practical electric battery: |
- A. Alessandro volta
- B. Faraday
- C. Newton
- D. None of these
|
