Elements Of Remote Sensing Critical angle of electromagnetic radiation takes place if Angle of incidence is equal to angle of refraction Angle of refraction is equal to 90° Angle of incidence 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 refraction is equal to 90° Angle of incidence is equal to 90° Angle of incidence is greater than the angle of refraction ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The remote sensing techniques applied for the earth's surface features, is generally confined to the following wave lengths: 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm All of these 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm All of these 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The maximum sun's radiation occurs around: 0.7 μ wave length None of these 0.4 μm wave length 0.55 μ wave length 0.7 μ wave length None of these 0.4 μm wave length 0.55 μ wave length ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The infrared portion of EMR lies between 0.7 - 1.3 μm 0.7 to 14 μm 0.5 mm to 1 μm 0.4 - 0.7 μm 0.7 - 1.3 μm 0.7 to 14 μm 0.5 mm to 1 μm 0.4 - 0.7 μm ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called: Passive remote sensing Neutral remote sensing Active remote sensing None of these Passive remote sensing Neutral remote sensing Active remote sensing None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Geodimeter is based on: High frequency radio waves The visible light as carrier with frequency of the order of 5 × 1014 Hz Propagation of infrared radiation Propagation of modulated light waves High frequency radio waves The visible light as carrier with frequency of the order of 5 × 1014 Hz Propagation of infrared radiation Propagation of modulated light waves ANSWER DOWNLOAD EXAMIANS APP