Elements Of Remote Sensing A passive sensor uses: Its own source of energy None of these Sun as the source of energy Flash light as a source of energy Its own source of energy None of these Sun as the source of energy Flash light as a source of energy 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 equal to 90° Angle of incidence is equal to angle of refraction Angle of incidence is greater than the angle of refraction Angle of refraction is equal to 90° Angle of incidence is equal to 90° Angle of incidence is equal to angle of refraction Angle of incidence is greater than the angle of refraction ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A reduction of nitrogen nutrient in plants: Reduces pigment concentration Increase the visible reflectivity All of these Affects leaf color Reduces pigment concentration Increase the visible reflectivity All of these Affects leaf color ANSWER DOWNLOAD EXAMIANS APP
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 Sensors Active sensors None of these Passive sensors Sensors Active sensors None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The reflectance from a surface is called specular reflection if it follows: Planktan Snell’s law Lambert All of these Planktan Snell’s law Lambert All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Coherence of two electromagnetic waves takes place if their phase difference is: Constant in time Constant in time and space Constant in space None of these Constant in time Constant in time and space Constant in space None of these ANSWER DOWNLOAD EXAMIANS APP
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