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 hole Ozone window Black hole Atmospheric window Ozone hole Ozone window ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Coherence of two electromagnetic waves takes place if their phase difference is: Constant in space Constant in time and space None of these Constant in time Constant in space Constant in time and space None of these Constant in time 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 space 2. During successive across-track imaging, the earth rotates beneath the sensor 3. The satellite images a skewed areaWhich one of the following statements is/are correct? 1, 2 1, 2, 3 2, 3 1, 3 1, 2 1, 2, 3 2, 3 1, 3 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/√8 μ Cm = 5/√εμ None of these Cm = 1/εμ Cm = 1/√8 μ Cm = 5/√εμ None of these Cm = 1/εμ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂); The angle of incidence is equal to the angle of refraction Both (A) and (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Neither (A) nor (B) The angle of incidence is equal to the angle of refraction Both (A) and (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A reduction of nitrogen nutrient in plants: Reduces pigment concentration Affects leaf color Increase the visible reflectivity All of these Reduces pigment concentration Affects leaf color Increase the visible reflectivity All of these ANSWER DOWNLOAD EXAMIANS APP