| 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
| In a vertical photograph, relief displacement is always radial from the |
A) Isocenter
B) Nadir point
C) Zenith point
D) Principal point
| Overlap in aerial photography refers to |
A) The overlap of ground features due to inclination of cameras
B) the overlap of ground features due to difference in elevations of objects
C) the same ground features taken from two camera positions
D) the blurring due to lack of focus in photographs
| 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
| The Mercator projection system used in atlases uses a |
A) Isometric projection
B) Conical projection
C) Cylindrical projection
D) Azimuthal projection
| Optimal flight planning for a photogrammetric survey should be carried out considering |
A) only side-lap
B) only end-lap
C) either side-lap or end-lap
D) both side-lap as well as end-lap
| The elevations of objects on an aerial photograph can be measured due to |
A) Tilt
B) Drift
C) Overlap
D) Stereoscopic fusion
| Terrestrial photogrammetry is taking photographs of |
A) the terrain of the earth from a moving aircraft
B) the terrain of the earth from a static aircraft
C) the terrain of the earth from cameras on ground
D) celestial bodies from a moving aircraft
| 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 misclosure
| Spectral resolution means: |
A) The frequency of receiving radiations
B) sensitivity of the system to small changes in radiation
C) the ability of the system to distinguish the details in the images
D) the wavelengths to which the remote sensing system is sensitive
