1. In a vertical photograph, relief displacement is always radial from the ____.
[A] Isocenter
[B] Nadir point
[C] Zenith point
[D] Principal point
Answer: Option D
2. The elevations of objects on an aerial photograph can be measured due to ____.
[A] Tilt
[B] Drift
[C] Overlap
[D] Stereoscopic fusion
Answer: Option D
3. The angle between the observer’s meridian and declination circle of the heavenly body is referred to as ____.
[A] Azimuth
[B] Declination
[C] Sidereal angle
[D] Hour angle
Answer: Option D
4. If S denotes the sum of all the angles of a spherical triangle then the quantity S-180 is called as
[A] Spherical error
[B] Spherical deficiency
[C] Spherical excess
[D] Spherical mis-closure
Answer: Option C
5. Parallax in aerial photographs is an error due to ____.
[A] movement of camera and ground relief
[B] overlap in photographs
[C] distortion caused by camera lens
[D] distortion due to lack of focus
Answer: Option A