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 = 1/εμ Cm = 5/√εμ None of these Cm = 1/√8 μ Cm = 1/εμ Cm = 5/√εμ None of these 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: Albedo Reflectance None of these Reflectance factor Albedo Reflectance None of these Reflectance factor ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing "An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as: Snell's law Fresnel reflection Fresnel refraction None of these Snell's law Fresnel reflection Fresnel refraction None of these 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: Visible (0.4 - 0.7 μm) region None of these Near-IR (0.7 - 1.3 μm) region Short wave-IR (1.3 - 2.7 μm) region Visible (0.4 - 0.7 μm) region None of these Near-IR (0.7 - 1.3 μm) region Short wave-IR (1.3 - 2.7 μm) region ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A perfectly black body: Absorbs all the radiations of every wave lengths Emits power of every wave length Is a diffuse emitter All listed here Absorbs all the radiations of every wave lengths Emits power of every wave length Is a diffuse emitter All listed here ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following factors does not affect the scale of the air photographs? None of these Flying height Focal length Ground elevation None of these Flying height Focal length Ground elevation ANSWER DOWNLOAD EXAMIANS APP
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