Elements Of Remote Sensing Which one of the following statement is correct? Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation The radiant energy which falls upon a surface is termed as irradiance All of these The rate of transfer of radiant energy is called flux and is expressed in watts Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation The radiant energy which falls upon a surface is termed as irradiance All of these The rate of transfer of radiant energy is called flux and is expressed in watts ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). h > λ/Δ cos θ h = λ/8 cos θ h < λ/8 cos θ h > λ/8 cos θ h > λ/Δ cos θ h = λ/8 cos θ h < λ/8 cos θ h > λ/8 cos θ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following errors is produced by platform characteristics of the sensor? All of these Altitude variation Altitude Orbit drift All of these Altitude variation Altitude Orbit drift ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing In the given figure the phase of Crest A is π/2 Trough C is 3π/2 B crossing is π All of these Crest A is π/2 Trough C is 3π/2 B crossing is π All of these 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, 3 2, 3 1, 2 1, 3 1, 2, 3 2, 3 1, 2 1, 3 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statements is correct regarding the GPS satellites? The inclination of axis satellite is 55° The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) All of these The nominal altitude is about 20,200 km The inclination of axis satellite is 55° The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) All of these The nominal altitude is about 20,200 km ANSWER DOWNLOAD EXAMIANS APP