Elements Of Remote Sensing Which one of the following parameters is considered to determine the reflectance of a vegetation canopy? Solar zenith angle All of these Look angle Azimuth angle Solar zenith angle All of these Look angle Azimuth angle ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects: Electric waves Electromagnetic waves Wind waves Sound waves Electric waves Electromagnetic waves Wind waves Sound waves 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 reflectance from a surface is called specular reflection if it follows: All of these Lambert Snell’s law Planktan All of these Lambert Snell’s law Planktan 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 None of these Fresnel refraction Snell's law Fresnel reflection None of these Fresnel refraction ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Earth observations from a satellite platform provide: Repetitive observations of the same area with intervals of a few minutes to a few weeks All of these Constant solar zenith angles and similar illumination conditions Synoptic view of a large area Repetitive observations of the same area with intervals of a few minutes to a few weeks All of these Constant solar zenith angles and similar illumination conditions Synoptic view of a large area ANSWER DOWNLOAD EXAMIANS APP
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