Elements Of Remote Sensing A perfectly black body: Emits power of every wave length All listed here Is a diffuse emitter Absorbs all the radiations of every wave lengths Emits power of every wave length All listed here Is a diffuse emitter Absorbs all the radiations of every wave lengths ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If θ is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to: tan²θ cos²θ sec²θ sin²θ tan²θ cos²θ sec²θ sin²θ 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); Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi The angle of incidence is equal to the angle of refraction Both (A) and (B) Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi The angle of incidence is equal to the angle of refraction Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is correct? Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation 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 All of these Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). 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 h < λ/8 cos θ 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: 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 Visible (0.4 - 0.7 μm) region None of these Near-IR (0.7 - 1.3 μm) region ANSWER DOWNLOAD EXAMIANS APP
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