Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: None of these Spectral variation Temporal variation Spatial variation None of these Spectral variation Temporal variation Spatial variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The normal altitude of GPS satellite is about 20,200 km 24,400 km 36,100 km 16,200 km 20,200 km 24,400 km 36,100 km 16,200 km 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 rate of transfer of radiant energy is called flux and is expressed in watts The radiant energy which falls upon a surface is termed as irradiance All of these 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 The radiant energy which falls upon a surface is termed as irradiance All of these 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 Both (A) and (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Neither (A) nor (B) The angle of incidence is equal to the angle of refraction Both (A) and (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following helps to identify the objects on the earth surface? None of these Radiometric error Atmospheric window Signature None of these Radiometric error Atmospheric window Signature ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The object of photo-interpretation is: Recognition of objects All of these Judging the significance of objects Identification Recognition of objects All of these Judging the significance of objects Identification ANSWER DOWNLOAD EXAMIANS APP