Category: Elements of Remote Sensing

A. The function of an information system is to improve one s ability to make decisions
B. The information system is the chain of operations
C. A map is a collection of stored, analysed data, its stored information is suitability used in making decisions
D. All the above

A. Spectral variation
B. Spatial variation
C. Temporal variation
D. None of these

A. Synoptic view of a large area
B. Constant solar zenith angles and similar illumination conditions
C. Repetitive observations of the same area with intervals of a few minutes to a few weeks
D. All of these

1. The satellite orbit is fixed in the inertial space
2. During successive across-track imaging, the earth rotates beneath the sensor
3. The satellite images a skewed area
Which one of the following statements is/are correct?

A. 1, 2, 3
B. 1, 3
C. 2, 3
D. 1, 2

A. h = dp/(B/H)
B. h = (B/H) dp
C. h = dp/(H/B)
D. h = (H/B) dp

A. Spectral variation
B. Spatial variation
C. Temporal variation
D. All of these

A. Ozone hole

B. Atmospheric window

C. Ozone window

D. Black hole

1. Generation of an output to the user
2. Detection of the GPS signals
3. Processing the data in the built-in-computer
4. Decoding the GPS signal

The correct sequence of the stages is?

A. 1, 2, 3, 4
B. 2, 3, 4, 1
C. 2, 4, 3, 1
D. 3, 1, 2 , 4

A. Snow albedo falls at all wave length with the increase of grain size
B. The effect of grain size on reflection is maximum in the near-IR region
C. The effect of grain size on reflection is low in the visible region of the spectrum
D. All of these

A. Increases with salinity
B. Increases with temperature
C. Decreases with salinity
D. Decreases with temperature