| 1 |
The S.I unit of electric current is: |
- A. Volt
- B. Ampere
- C. Coulomb
- D. Watt
|
| 2 |
<p class="MsoNormal">Which type of image is formed by a convex lens on a screen:<o:p></o:p></p> |
- A. <p class="MsoNormal">Inverted and real<o:p></o:p></p>
- B. <p class="MsoNormal">Inverted and virtual<o:p></o:p></p>
- C. <p class="MsoNormal">Upright and real<o:p></o:p></p>
- D. <p class="MsoNormal">Upright and virtual<o:p></o:p></p>
|
| 3 |
<p class="MsoNormal">The speed of sound in a liquid is …………..than that in gases:<o:p></o:p></p> |
- A. <p class="MsoNormal">Ten times<o:p></o:p></p>
- B. <p class="MsoNormal">Fifteen times<o:p></o:p></p>
- C. <p class="MsoNormal">Five times<o:p></o:p></p>
- D. <p class="MsoNormal">Two times<o:p></o:p></p>
|
| 4 |
The equivalent resistance of a parallel combination is |
- A. equal to sum of all resistance
- B. is greater than the largest resistance of combination
- C. is smaller than the smallest resistance of combination
- D. All of these
|
| 5 |
<p class="MsoNormal">Which combination forms NAND gate:<o:p></o:p></p> |
- A. <p class="MsoNormal">AND & OR<o:p></o:p></p>
- B. <p class="MsoNormal">AND & NOT<o:p></o:p></p>
- C. <p class="MsoNormal">NOT & OR<o:p></o:p></p>
- D. <p class="MsoNormal">NAND & NOT<o:p></o:p></p>
|
| 6 |
<p class="MsoNormal">The distance between principal focus and pole of mirror is
called:<o:p></o:p></p> |
- A. <p class="MsoNormal">Principal focus<o:p></o:p></p>
- B. <p class="MsoNormal">Focal length<o:p></o:p></p>
- C. <p class="MsoNormal">Aperture<o:p></o:p></p>
- D. <p class="MsoNormal">Image<o:p></o:p></p>
|
| 7 |
<p class="MsoNormal">The mirror whose inner surface is reflecting is called:<o:p></o:p></p> |
- A. <p class="MsoNormal">Concave mirror<o:p></o:p></p>
- B. <p class="MsoNormal">Convex mirror<o:p></o:p></p>
- C. <p class="MsoNormal">Mirror<o:p></o:p></p>
- D. <p class="MsoNormal">Lens<o:p></o:p></p>
|
| 8 |
<p class="MsoNormal">Which of the following quantities is not change during
refraction of light:<o:p></o:p></p> |
- A. <p class="MsoNormal">Its direction<o:p></o:p></p>
- B. <p class="MsoNormal">Its speed<o:p></o:p></p>
- C. <p class="MsoNormal">Its frequency<o:p></o:p></p>
- D. <p class="MsoNormal">Its wavelength<o:p></o:p></p>
|
| 9 |
The S.I unit of potential difference is: |
- A. Ampere
- B. Coulomb
- C. Volt
- D. Watt
|
| 10 |
What is the voltage across a 6Ω resistor when 3 A of current passes through it? |
- A. 2 V
- B. 9 V
- C. 18 V
- D. 36 V
|
