Elements Of Remote Sensing The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: Active sensors Sensors None of these Passive sensors Active sensors Sensors None of these Passive sensors 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 Cm = 1/√8 μ None of these Cm = 5/√εμ Cm = 1/εμ Cm = 1/√8 μ None of these Cm = 5/√εμ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct? C = vλ C = 1/λv C = λ/v C = v + λ C = vλ C = 1/λv C = λ/v C = v + λ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one the following is a correct statement? The layers of the soil parallel to the earth surface are called horizons All of these The transitional layer between two adjoining horizons is called boundary The vertical section of the soil extending into the parent material, is called profile The layers of the soil parallel to the earth surface are called horizons All of these The transitional layer between two adjoining horizons is called boundary The vertical section of the soil extending into the parent material, is called profile ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Geodimeter is based on: The visible light as carrier with frequency of the order of 5 × 1014 Hz Propagation of modulated light waves High frequency radio waves Propagation of infrared radiation The visible light as carrier with frequency of the order of 5 × 1014 Hz Propagation of modulated light waves High frequency radio waves Propagation of infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A perfectly black body: Emits power of every wave length Absorbs all the radiations of every wave lengths Is a diffuse emitter All listed here Emits power of every wave length Absorbs all the radiations of every wave lengths Is a diffuse emitter All listed here ANSWER DOWNLOAD EXAMIANS APP
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