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 = vλ C = 1/λv C = v + λ C = λ/v C = vλ C = 1/λv C = v + λ 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) Both (A) and (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 Neither (A) nor (B) Both (A) and (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 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing While propagating through homogeneous, isotropic media, Directions of both the fields are orthogonal Neither (A) nor (B) Both the fields are at right angles to the direction of propagation Both (A) and (B) Directions of both the fields are orthogonal Neither (A) nor (B) Both the fields are at right angles to the direction of propagation Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The infrared portion of EMR lies between 0.7 - 1.3 μm 0.7 to 14 μm 0.4 - 0.7 μm 0.5 mm to 1 μm 0.7 - 1.3 μm 0.7 to 14 μm 0.4 - 0.7 μm 0.5 mm to 1 μm ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The normal altitude of GPS satellite is about 16,200 km 36,100 km 20,200 km 24,400 km 16,200 km 36,100 km 20,200 km 24,400 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is incorrect regarding the electromagnetic radiation? None of these These are produced by the motion of electric charge The oscillation of charged particles sets up changing electric fields The changing electric fields induce the changing magnetic fields in the surrounding medium None of these These are produced by the motion of electric charge The oscillation of charged particles sets up changing electric fields The changing electric fields induce the changing magnetic fields in the surrounding medium ANSWER DOWNLOAD EXAMIANS APP