Elements Of Remote Sensing Orbital radius of GPS satellites is approximately: 15,200 km 36,000 km 18,400 km 26,600 km 15,200 km 36,000 km 18,400 km 26,600 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The spectral region of the electromagnetic radiation which passes through the atmosphere without much attenuation is known as: Ozone window Black hole Atmospheric window Ozone hole Ozone window Black hole Atmospheric window Ozone hole ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by: Cm = 1/εμ None of these Cm = 5/√εμ Cm = 1/√8 μ Cm = 1/εμ None of these Cm = 5/√εμ Cm = 1/√8 μ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects: Sound waves Electric waves Electromagnetic waves Wind waves Sound waves Electric waves Electromagnetic waves Wind waves ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is correct? 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 Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation 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