Search
.Management Sciences
Category: Elements of Remote Sensing
In case of reflection and refraction of electromagnetic radiation ?
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
Which one of the following statement is correct ?
A. Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation
B. The rate of transfer of radiant energy is called flux and is expressed in watts
C. The radiant energy which falls upon a surface is termed as irradiance
D. All of these
Pick up the correct statement from the following?
A. Phytoplankton contains photosynthetically active pigment
B. An increase of phytoplankton increases the back scattering in the green region
C. An increase of phytoplankton absorbs the bule region rapidly
D. An increase of phytoplankton decreases the back scattering in the green region
Leaf reflectance depends primarily on______________?
A. The pigments
B. Internal cell structur
C. Equivalent water content
D. All of these
Which one of the following frequency regions is a part of sun’s radiation ?
A. Ultraviolet frequency region
B. Infrared frequency region
C. Radio frequency region
D. All of these
For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is______________?
A. Circular orbit
B. Sun-synchronous orbit
C. Near polar orbit
D. None of these
The most widely used antenna in GPS is_______________?
A. Parabolic antenna
B. Microstrip antenna
C. Horn antenna
D. Slotted antenna
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 changes in the reflectivity/emissivity with time, is called ?
A. Spectral variation
B. Spatial variation
C. Temporal variation
D. None of these
While propagating through homogeneous, isotropic media_________________?
A. Directions of both the fields are orthogonal
B. Both the fields are at right angles to the direction of propagation
C. Both A. and B.
D. Neither A. nor B.
Recent Comments