Elements Of Remote Sensing Electromagnetic radiation: Produces a time varying magnetic field and vice versa All of these Once generated, remains self-propagating Is capable to travel across space Produces a time varying magnetic field and vice versa All of these Once generated, remains self-propagating Is capable to travel across space ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The altitudinal distance of a geostationary satellite from the earth is about: 44,000 km 36,000 km 26,000 km 30,000 km 44,000 km 36,000 km 26,000 km 30,000 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is correct? The radiant energy which falls upon a surface is termed as irradiance Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation All of these The rate of transfer of radiant energy is called flux and is expressed in watts The radiant energy which falls upon a surface is termed as irradiance Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation All of these The rate of transfer of radiant energy is called flux and is expressed in watts ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The reflection of solar energy is characterized by the water content in the leaf, in the reflective optical infrared: Near-IR (0.7 - 1.3 μm) region None of these Visible (0.4 - 0.7 μm) region Short wave-IR (1.3 - 2.7 μm) region Near-IR (0.7 - 1.3 μm) region None of these Visible (0.4 - 0.7 μm) region Short wave-IR (1.3 - 2.7 μm) region ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by: Cm = 1/√8 μ Cm = 5/√εμ None of these Cm = 1/εμ Cm = 1/√8 μ Cm = 5/√εμ None of these Cm = 1/εμ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called: None of these Reflectance Reflectance factor Albedo None of these Reflectance Reflectance factor Albedo ANSWER DOWNLOAD EXAMIANS APP
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