Q16
What is the primary satellite sensor type used in multispectral remote sensing?
A.
Thermal sensors
B.
Radar sensors
C.
Optical sensors
AnswerD.
LiDAR sensors
Answer: Option C
Solution
Answer: Option C
Solution:
Optical sensors detect reflected sunlight in multiple wavelengths, enabling multispectral imaging useful in geological mapping and vegetation studies.Thermal sensors detect heat, radar uses microwaves, and LiDAR uses laser pulses.