Elements Of Remote Sensing The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: Passive sensors None of these Active sensors Sensors Passive sensors None of these Active sensors Sensors 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 The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) Neither (A) nor (B) The angle of incidence is equal to the angle of refraction The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statements regarding remote sensing is correct? Neither (A) nor (B) The interaction of the electromagnetic radiation with the target Both (A) and (B) The emission of electromagnetic radiation from the target Neither (A) nor (B) The interaction of the electromagnetic radiation with the target Both (A) and (B) The emission of electromagnetic radiation from the target ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following factors does not affect the scale of the air photographs? Focal length None of these Flying height Ground elevation Focal length None of these Flying height Ground elevation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The most widely used antenna in GPS is Parabolic antenna Horn antenna Slotted antenna Microstrip antenna Parabolic antenna Horn antenna Slotted antenna Microstrip antenna ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following frequency regions is a part of sun's radiation? Infrared frequency region All of these Ultraviolet frequency region Radio frequency region Infrared frequency region All of these Ultraviolet frequency region Radio frequency region ANSWER DOWNLOAD EXAMIANS APP
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