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 = 1/λv C = vλ C = v + λ C = λ/v C = 1/λv C = vλ C = v + λ C = λ/v 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 In GPS, receivers are used are; Atomic clocks Quartz clocks Electronic clocks Mechanical clocks Atomic clocks Quartz clocks Electronic clocks Mechanical clocks ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statements is correct regarding the GPS satellites? The nominal altitude is about 20,200 km All of these The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) The inclination of axis satellite is 55° The nominal altitude is about 20,200 km All of these The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) The inclination of axis satellite is 55° ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing In case of reflection and refraction of electromagnetic radiation, All listed here Angle of incidence = angle of reflection Angle of incidence = angle of refraction Angle of refraction = sum of the angles of incidence and refraction All listed here Angle of incidence = angle of reflection Angle of incidence = angle of refraction Angle of refraction = sum of the angles of incidence and refraction 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? 2, 3 1, 3 1, 2, 3 1, 2 2, 3 1, 3 1, 2, 3 1, 2 ANSWER DOWNLOAD EXAMIANS APP