| 1 |
<p class="MsoNormal">An example of input device computer is:<o:p></o:p></p> |
- A. <p class="MsoNormal">Keyboard<o:p></o:p></p>
- B. <p class="MsoNormal">printer<o:p></o:p></p>
- C. <p class="MsoNormal">monitor<o:p></o:p></p>
- D. <p class="MsoNormal">RAM<o:p></o:p></p>
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| 2 |
In totally reflecting prism one angle is of 90<sup>o</sup>, and other two angles are of: |
- A. 30<sup>o</sup>,30<sup>o</sup>
- B. 45<sup>o</sup>,90<sup>o</sup>
- C. 45<sup>o</sup>,45<sup>o</sup>
- D. 40<sup>o</sup>,40<sup>o</sup>
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| 3 |
The centre of spherical mirror is called: |
- A. Focus
- B. Axis
- C. Centre
- D. Pole
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| 4 |
The mirror whose inner surface is reflecting is called: |
- A. Concave mirror
- B. Convex mirror
- C. Miroor
- D. Lens
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| 5 |
Spherical mirrors are used in: |
- A. Medical
- B. Search light
- C. Microscope
- D. All of these
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| 6 |
The index of refraction depends on: |
- A. The focal length
- B. The speed of light
- C. the image distance
- D. The object distance
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| 7 |
<p class="MsoNormal">What does the term e-mail stand for:<o:p></o:p></p> |
- A. <p class="MsoNormal">Emergency mail<o:p></o:p></p>
- B. <p class="MsoNormal">Electronic mail</p>
- C. <p class="MsoNormal">Extra mail<o:p></o:p></p>
- D. <p class="MsoNormal">External mail<o:p></o:p></p>
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| 8 |
<p class="MsoNormal">Hard disk is made of:<o:p></o:p></p> |
- A. <p class="MsoNormal">Aluminium<o:p></o:p></p>
- B. <p class="MsoNormal">Copper<o:p></o:p></p>
- C. <p class="MsoNormal">Iron<o:p></o:p></p>
- D. <p class="MsoNormal">Plastic<o:p></o:p></p>
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| 9 |
The refractive index of air is: |
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| 10 |
Which types of image is produced by the converging lens of human eye if it view a distant object? |
- A. Real , erect, same size
- B. Real, inverted, diminshed
- C. Virtual, erect,diminshed
- D. Virtual, inverted, magnified
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