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: None of these Active sensors Passive sensors Sensors None of these Active sensors Passive sensors Sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statements regarding remote sensing is correct? The emission of electromagnetic radiation from the target The interaction of the electromagnetic radiation with the target Neither (A) nor (B) Both (A) and (B) The emission of electromagnetic radiation from the target The interaction of the electromagnetic radiation with the target Neither (A) nor (B) Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Critical angle of electromagnetic radiation takes place if Angle of refraction is equal to 90° Angle of incidence is greater than the angle of refraction Angle of incidence is equal to 90° Angle of incidence is equal to angle of refraction Angle of refraction is equal to 90° Angle of incidence is greater than the angle of refraction Angle of incidence is equal to 90° Angle of incidence is equal to angle of refraction 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 radiant energy which falls upon a surface is termed as irradiance All of these The rate of transfer of radiant energy is called flux and is expressed in watts Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation The radiant energy which falls upon a surface is termed as irradiance All of these The rate of transfer of radiant energy is called flux and is expressed in watts ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The most widely used antenna in GPS is Slotted antenna Horn antenna Parabolic antenna Microstrip antenna Slotted antenna Horn antenna Parabolic antenna Microstrip antenna ANSWER DOWNLOAD EXAMIANS APP
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/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 h > λ/Δ cos θ ANSWER DOWNLOAD EXAMIANS APP
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