Elements Of Remote Sensing Pick up the important characteristic of a target which facilitates its identification from the following: Spectral variation Temporal variation Spatial variation All of these Spectral variation Temporal variation Spatial variation All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statements is correct regarding the GPS satellites? The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) All of these The nominal altitude is about 20,200 km The inclination of axis satellite is 55° The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) All of these The nominal altitude is about 20,200 km The inclination of axis satellite is 55° 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 Consider the following statements regarding the satellite imaging:1. The satellite orbit is fixed in the inertial space2. During successive across-track imaging, the earth rotates beneath the sensor3. The satellite images a skewed areaWhich one of the following statements is/are correct? 1, 2, 3 2, 3 1, 2 1, 3 1, 2, 3 2, 3 1, 2 1, 3 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: Black hole Atmospheric window Ozone window Ozone hole Black hole Atmospheric window Ozone window Ozone hole 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: Fresnel reflection Snell's law None of these Fresnel refraction Fresnel reflection Snell's law None of these Fresnel refraction ANSWER DOWNLOAD EXAMIANS APP
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