Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). h = λ/8 cos θ h > λ/Δ cos θ h > λ/8 cos θ h < λ/8 cos θ h = λ/8 cos θ h > λ/Δ cos θ h > λ/8 cos θ h < λ/8 cos θ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following frequency regions is a part of sun's radiation? Ultraviolet frequency region Infrared frequency region Radio frequency region All of these Ultraviolet frequency region Infrared frequency region Radio frequency region All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following errors is produced by platform characteristics of the sensor? Orbit drift All of these Altitude Altitude variation Orbit drift All of these Altitude Altitude variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A perfectly black body: All listed here Emits power of every wave length Is a diffuse emitter Absorbs all the radiations of every wave lengths All listed here Emits power of every wave length Is a diffuse emitter Absorbs all the radiations of every wave lengths ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Geodimeter is based on: High frequency radio waves Propagation of modulated light waves Propagation of infrared radiation The visible light as carrier with frequency of the order of 5 × 1014 Hz High frequency radio waves Propagation of modulated light waves Propagation of infrared radiation The visible light as carrier with frequency of the order of 5 × 1014 Hz ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂); The angle of incidence is equal to the angle of refraction Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) The angle of incidence is equal to the angle of refraction Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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