Elements Of Remote Sensing Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects: Electric waves Sound waves Wind waves Electromagnetic waves Electric waves Sound waves Wind waves Electromagnetic waves ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The reflectance from a surface is called specular reflection if it follows: Planktan Lambert All of these Snell’s law Planktan Lambert All of these Snell’s law ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The basic requirement of any sensor system is: Radiometric resolution All of these Spatial resolution Spectral resolution Radiometric resolution All of these Spatial resolution Spectral resolution ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height h = (H/B) dp h = (B/H) dp h = dp/(H/B) h = dp/(B/H) h = (H/B) dp h = (B/H) dp h = dp/(H/B) h = dp/(B/H) 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 angle of refraction Angle of incidence is equal to 90° Angle of refraction is equal to 90° Angle of incidence is greater than the angle of refraction Angle of incidence is equal to angle of refraction Angle of incidence is equal to 90° ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following errors is produced by platform characteristics of the sensor? All of these Altitude Orbit drift Altitude variation All of these Altitude Orbit drift Altitude variation ANSWER DOWNLOAD EXAMIANS APP
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