A. Directly proportional to the bandwidth
B. Inversely proportional to the bandwidth
C. The square of the bandwidth
D. None of these
0
Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena________________?
0
Coherence of two electromagnetic waves takes place if their phase difference is_________________?
A. Cloud evolution
B. Vegetative cover
C. Snow cover
D. All of these
0
Which one of the following parameters is considered to determine the reflectance of a vegetation canopy ?
A. Constant in time
B. Constant in space
C. Constant in time and space
D. None of these
0
sensor IFOV is proportional to_________________?
A. Solar zenith angle
B. Azimuth angle
C. Look angle
D. All of these
0
Pick up the correct statement from the following?
A. sin2
B. cos2
C. sec2
D. tan2
0
In case of reflection and refraction of electromagnetic radiation ?
A. The minimum frequency of light for which no electrons are emitted, is called threshold frequency
B. Polarising angle of glass is 57.5°
C. At the polarising angle, the reflected and refracted rays are orthogonal
D. All the above
0
Which one of the following factors does not affect the scale of the air photographs ?
A. Angle of incidence = angle of refraction
B. Angle of incidence = angle of reflection
C. Angle of refraction = sum of the angles of incidence and refraction
D. All the above
0
Which one of the following statements regarding remote sensing is correct ?
A. Focal length
B. Flying height
C. Ground elevation
D. None of these