Elements Of Remote Sensing The reflectance from a surface is called specular reflection if it follows: Planktan Snell’s law All of these Lambert Planktan Snell’s law All of these Lambert ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Critical angle of electromagnetic radiation takes place if Angle of incidence is equal to 90° Angle of refraction 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 incidence is equal to 90° Angle of refraction 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 For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is: 250 km 500 km 130 km 230 km 250 km 500 km 130 km 230 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Electromagnetic spectrum contains: Ultraviolet rays (wave length < 10⁻⁶ m) Infrared rays (wave length < 10⁻⁴ m) Gamma rays (wave length < 10⁻¹⁰ m) All of these Ultraviolet rays (wave length < 10⁻⁶ m) Infrared rays (wave length < 10⁻⁴ m) Gamma rays (wave length < 10⁻¹⁰ m) All of these 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 Leaf reflectance depends primarily on: The pigments All of these Internal cell structure Equivalent water content The pigments All of these Internal cell structure Equivalent water content ANSWER DOWNLOAD EXAMIANS APP