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MCQs 1: A reduction of nitrogen nutrient in plants_______________?

Affects leaf colour Reduces pigment concentration Increase the visible reflectivity All of these
Answer Explanation

MCQs 2: Which one of the following statement is incorrect regarding the electromagnetic radiation ?

These are produced by the motion of electric charge The oscillation of charged particles sets up changing electric fields The changing electric fields induce the changing magnetic fields in the surrounding medium None of these
Answer Explanation

MCQs 3: The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called________________?

Reflectance Reflectance factor Albedo None of these
Answer Explanation

MCQs 4: Which one of the following helps to identify the objects on the earth surface ?

Atmospheric window Signature Radiometric error None of these
Answer Explanation

MCQs 5: The changes in the reflectivity/emissivity with time, is called ?

Spectral variation Spatial variation Temporal variation None of these
Answer Explanation

MCQs 6: Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its_______________________?

Six ground stations Five ground stations Four ground stations Three ground stations
Answer Explanation

MCQs 7: The reflection of solar energy is characterised by the water content in the leaf, in the reflective optical infrared______________?

Visible (0.4 – Near-IR (0.7 – Short wave-IR (1.3 – None of these
Answer Explanation

MCQs 8: For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is______________?

Circular orbit Sun-synchronous orbit Near polar orbit None of these
Answer Explanation

MCQs 9: Which one of the following quantities forms the basis of radiometry ?

Radiant energy (Q) Radiant flux (Φe ) Radiant intensity (I) All of these
Answer Explanation

MCQs 10: Electromagnetic spectrum contains________________?

Gamma rays (wave length < 10-10 m) Ultraviolet rays (wave length < 10-6 m) Infrared rays (wave length < 10 -4 m) All of these
Answer Explanation

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