| 1 |
The S.I unit of power of a lens is: |
- A. Dioptre
- B. Volt
- C. Ampere
- D. Watt
|
| 2 |
To see from submarine the ship at the surface of water , we use: |
- A. Telescope
- B. Microscope
- C. Peri scope
- D. Prism
|
| 3 |
Concave mirror formula is given by: |
- A. R = 2r
- B. sin<i/sin<r
- C. 1/f=1/p+1/q
- D. 1/f=1/p-1/q
|
| 4 |
Totally reflecting prism turns the incident ray at an angle of: |
- A. 90<sup>o</sup>
- B. 60<sup>o</sup>
- C. 75<sup>o</sup>
- D. 45<sup>o</sup>
|
| 5 |
To see stomach problems we use: |
- A. Gastroscope
- B. Bronchoscope
- C. Cystoscope
- D. All of these
|
| 6 |
The critical angle for glass to: |
- A. 24<sup>o</sup>
- B. 48<sup>o</sup>
- C. 42<sup>o</sup>
- D. 50<sup>o</sup>
|
| 7 |
Magnification of mirror is given by: |
- A. m=p/q
- B. m=q/p
- C. m=pxq
- D. m=1/p+q
|
| 8 |
<p class="MsoNormal">Which form of energy is sound:<o:p></o:p></p> |
- A. <span style="font-size:11.0pt;line-height:107%;
font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:
Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;
mso-bidi-font-family:Arial;mso-bidi-theme-font:minor-bidi;mso-ansi-language:
EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA">Electrical</span>
- B. <span style="font-size:11.0pt;line-height:107%;
font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:
Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;
mso-bidi-font-family:Arial;mso-bidi-theme-font:minor-bidi;mso-ansi-language:
EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA">mechanical</span>
- C. <span style="font-size:11.0pt;line-height:107%;
font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:
Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;
mso-bidi-font-family:Arial;mso-bidi-theme-font:minor-bidi;mso-ansi-language:
EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA">Thermal</span>
- D. <span style="font-size:11.0pt;line-height:107%;
font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:
Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;
mso-bidi-font-family:Arial;mso-bidi-theme-font:minor-bidi;mso-ansi-language:
EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA">Chemical</span>
|
| 9 |
When light passes through a prism it deviates from its original path due to: |
- A. Reflection
- B. Diffraction
- C. Interference
- D. Refraction
|
| 10 |
The distance between principal focus and pole of mirror is called: |
- A. Princpal focus
- B. Focal length
- C. P
- D. Image
|
