Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Spatial variation Spectral variation None of these Temporal variation Spatial variation Spectral variation None of these Temporal variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Critical angle of electromagnetic radiation takes place if Angle of incidence is greater than the angle of refraction Angle of incidence is equal to angle of refraction Angle of incidence is equal to 90° Angle of refraction is equal to 90° Angle of incidence is greater than the angle of refraction Angle of incidence is equal to angle of refraction Angle of incidence is equal to 90° Angle of refraction is equal to 90° ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Electromagnetic spectrum contains: All of these Ultraviolet rays (wave length < 10⁻⁶ m) Gamma rays (wave length < 10⁻¹⁰ m) Infrared rays (wave length < 10⁻⁴ m) All of these Ultraviolet rays (wave length < 10⁻⁶ m) Gamma rays (wave length < 10⁻¹⁰ m) Infrared rays (wave length < 10⁻⁴ m) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Consider the following statements regarding the satellite imaging:1. The satellite orbit is fixed in the inertial space2. During successive across-track imaging, the earth rotates beneath the sensor3. The satellite images a skewed areaWhich one of the following statements is/are correct? 1, 2 2, 3 1, 2, 3 1, 3 1, 2 2, 3 1, 2, 3 1, 3 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: Active sensors Sensors None of these Passive sensors Active sensors Sensors None of these Passive sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing In case of reflection and refraction of electromagnetic radiation, All listed here Angle of incidence = angle of refraction Angle of refraction = sum of the angles of incidence and refraction Angle of incidence = angle of reflection All listed here Angle of incidence = angle of refraction Angle of refraction = sum of the angles of incidence and refraction Angle of incidence = angle of reflection ANSWER DOWNLOAD EXAMIANS APP
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