Elements Of Remote Sensing Critical angle of electromagnetic radiation takes place if 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 Angle of refraction is equal to 90° Angle of incidence is greater than the angle of refraction ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called: None of these Albedo Reflectance Reflectance factor None of these Albedo Reflectance Reflectance factor ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena: Cloud evolution Snow cover All of these Vegetative cover Cloud evolution Snow cover All of these Vegetative cover 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 Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) The angle of incidence is equal to the angle of refraction Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Orbital radius of GPS satellites is approximately: 18,400 km 26,600 km 15,200 km 36,000 km 18,400 km 26,600 km 15,200 km 36,000 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The coherence length over which there is a strong relationship between amplitudes is; The square of the bandwidth Directly proportional to the bandwidth Inversely proportional to the bandwidth None of these The square of the bandwidth Directly proportional to the bandwidth Inversely proportional to the bandwidth None of these ANSWER DOWNLOAD EXAMIANS APP
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