61. DGPS is based on the concept that bias errors in the position of locations in a given local area, are same if their distances are within___________________?
A. 25 km
B. 50 km
C. 75 km
D. 100 km
✅ The correct answer is option D.
Elements of Remote Sensing MCQs
62. Due to scan geometry of a satellite sensor____________________?
A. The off-nadir resolution is degraded
B. The ground distance swept by the senor, IFOV is proportional to sec2 of scan measured from the nadir
C. The details towards the edge of the scan get compressed
D. All of these
✅ The correct answer is option D.
63. A reduction of nitrogen nutrient in plants_______________?
A. Affects leaf colour
B. Reduces pigment concentration
C. Increase the visible reflectivity
D. All of these
✅ The correct answer is option D.