Elements Of Remote Sensing A passive sensor uses: Sun as the source of energy Flash light as a source of energy None of these Its own source of energy Sun as the source of energy Flash light as a source of energy None of these Its own source of energy ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The most widely used antenna in GPS is Horn antenna Parabolic antenna Slotted antenna Microstrip antenna Horn antenna Parabolic antenna Slotted antenna Microstrip antenna 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 refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Neither (A) nor (B) Both (A) and (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 Neither (A) nor (B) Both (A) and (B) The angle of incidence is equal to the angle of refraction ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The various stages occuring in GPS system are described below: 1. Generation of an output to the user 2. Detection of the GPS signals 3. Processing the data in the built-in-computer 4. Decoding the GPS signal.The correct sequence of the stages is: 2, 4, 3, 1 3, 1, 2, 4 2, 3, 4, 1 1, 2, 3, 4 2, 4, 3, 1 3, 1, 2, 4 2, 3, 4, 1 1, 2, 3, 4 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The maximum sun's radiation occurs around: 0.4 μm wave length None of these 0.55 μ wave length 0.7 μ wave length 0.4 μm wave length None of these 0.55 μ wave length 0.7 μ wave length ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is correct? The rate of transfer of radiant energy is called flux and is expressed in watts All of these The radiant energy which falls upon a surface is termed as irradiance 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 All of these The radiant energy which falls upon a surface is termed as irradiance Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation ANSWER DOWNLOAD EXAMIANS APP
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