Elements Of Remote Sensing Coherence of two electromagnetic waves takes place if their phase difference is: Constant in space Constant in time None of these Constant in time and space Constant in space Constant in time None of these Constant in time and space 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); Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi The angle of incidence is equal to the angle of refraction Both (A) and (B) Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi The angle of incidence is equal to the angle of refraction Both (A) and (B) 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: Ozone hole Atmospheric window Black hole Ozone window Ozone hole Atmospheric window Black hole Ozone window 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 = λ/v C = v + λ C = vλ C = 1/λv C = λ/v C = v + λ C = vλ C = 1/λv ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Geodimeter is based on: Propagation of infrared radiation High frequency radio waves Propagation of modulated light waves The visible light as carrier with frequency of the order of 5 × 1014 Hz Propagation of infrared radiation High frequency radio waves Propagation of modulated light waves The visible light as carrier with frequency of the order of 5 × 1014 Hz ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Who coined the term, ‘Remote sensing’. Wilbur Wright, an Italian scientist None of these Evelyn L. Pruitt, a geographer Gaspard Felix Tournachon, a French scientist Wilbur Wright, an Italian scientist None of these Evelyn L. Pruitt, a geographer Gaspard Felix Tournachon, a French scientist ANSWER DOWNLOAD EXAMIANS APP