A. The nominal altitude is about 20,200 km
B. The inclination of axis satellite is 55°
C. The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)
D. All of these
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A reduction of nitrogen nutrient in plants_______________?
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Which one of the following statement is incorrect regarding the electromagnetic radiation ?
A. Affects leaf colour
B. Reduces pigment concentration
C. Increase the visible reflectivity
D. All of these
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The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called________________?
A. These are produced by the motion of electric charge
B. The oscillation of charged particles sets up changing electric fields
C. The changing electric fields induce the changing magnetic fields in the surrounding medium
D. None of these
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Which one of the following helps to identify the objects on the earth surface ?
A. Reflectance
B. Reflectance factor
C. Albedo
D. None of these
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The changes in the reflectivity/emissivity with time, is called ?
A. Atmospheric window
B. Signature
C. Radiometric error
D. None of these
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Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its_______________________?
A. Spectral variation
B. Spatial variation
C. Temporal variation
D. None of these
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The reflection of solar energy is characterised by the water content in the leaf, in the reflective optical infrared______________?
A. Six ground stations
B. Five ground stations
C. Four ground stations
D. Three ground stations
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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. Visible (0.4 –
B. Near-IR (0.7 –
C. Short wave-IR (1.3 –
D. None of these
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Which one of the following quantities forms the basis of radiometry ?
A. Circular orbit
B. Sun-synchronous orbit
C. Near polar orbit
D. None of these