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 Cm = 5/√εμ None of these Cm = 1/√8 μ Cm = 1/εμ Cm = 5/√εμ None of these Cm = 1/√8 μ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The coherence length over which there is a strong relationship between amplitudes is; 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 The square of the bandwidth Directly proportional to the bandwidth 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: None of these Fresnel reflection Snell's law Fresnel refraction None of these Fresnel reflection Snell's law Fresnel refraction ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The infrared portion of EMR lies between 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 0.7 to 14 μm 0.5 mm to 1 μm ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The various stages occuring in GPS system are described below: 1. Generation of an output to the user 2. Detection of the GPS signals 3. Processing the data in the built-in-computer 4. Decoding the GPS signal.The correct sequence of the stages is: 3, 1, 2, 4 2, 3, 4, 1 2, 4, 3, 1 1, 2, 3, 4 3, 1, 2, 4 2, 3, 4, 1 2, 4, 3, 1 1, 2, 3, 4 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is: None of these Circular orbit Sun-synchronous orbit Near polar orbit None of these Circular orbit Sun-synchronous orbit Near polar orbit ANSWER DOWNLOAD EXAMIANS APP