Elements Of Remote Sensing Which one of the following residual biases involves the GPS accuracy? Receiver-dependent biases due to clock stability with line Signal propagation biases due to the sphere and troposphere propagation Satellite dependent biases due to uncertainty in the orbital parameters of the satellite All listed here Receiver-dependent biases due to clock stability with line Signal propagation biases due to the sphere and troposphere propagation Satellite dependent biases due to uncertainty in the orbital parameters of the satellite All listed here 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 = 1/√8 μ Cm = 5/√εμ Cm = 1/εμ None of these Cm = 1/√8 μ Cm = 5/√εμ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following frequency regions is a part of sun's radiation? All of these Ultraviolet frequency region Infrared frequency region Radio frequency region All of these Ultraviolet frequency region Infrared frequency region Radio frequency region ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing "An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as: Snell's law Fresnel refraction None of these Fresnel reflection Snell's law Fresnel refraction None of these Fresnel reflection ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Coherence of two electromagnetic waves takes place if their phase difference is: None of these Constant in space Constant in time Constant in time and space None of these Constant in space Constant in time Constant in time and space ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The infrared portion of EMR lies between 0.7 to 14 μm 0.5 mm to 1 μm 0.7 - 1.3 μm 0.4 - 0.7 μm 0.7 to 14 μm 0.5 mm to 1 μm 0.7 - 1.3 μm 0.4 - 0.7 μm ANSWER DOWNLOAD EXAMIANS APP